194273457093856 has 96 divisors (see below), whose sum is σ = 440176134021120. Its totient is φ = 82678565299200.

The previous prime is 194273457093841. The next prime is 194273457093871. The reversal of 194273457093856 is 658390754372491.

It is an interprime number because it is at equal distance from previous prime (194273457093841) and next prime (194273457093871).

It is a super-2 number, since 2×194273457093856² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20353941 + ... + 28334251.

It is an arithmetic number, because the mean of its divisors is an integer number (4585168062720).

It is a 1-persistent number, because it is pandigital, but 2⋅194273457093856 = 388546914187712 is not.

Almost surely, 2^{194273457093856} is an apocalyptic number.

194273457093856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194273457093856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220088067010560).

194273457093856 is an abundant number, since it is smaller than the sum of its proper divisors (245902676927264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194273457093856 is a wasteful number, since it uses less digits than its factorization.

194273457093856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981088 (or 7981080 counting only the distinct ones).

The product of its (nonzero) digits is 1371686400, while the sum is 73.

The spelling of 194273457093856 in words is "one hundred ninety-four trillion, two hundred seventy-three billion, four hundred fifty-seven million, ninety-three thousand, eight hundred fifty-six".