1914804381896 has 64 divisors (see below), whose sum is σ = 4154966323200. Its totient is φ = 810278964288.

The previous prime is 1914804381883. The next prime is 1914804381899. The reversal of 1914804381896 is 6981834084191.

It is a super-2 number, since 2×1914804381896² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1914804381899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8058731 + ... + 8292933.

It is an arithmetic number, because the mean of its divisors is an integer number (64921348800).

Almost surely, 2^{1914804381896} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914804381896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2077483161600).

1914804381896 is an abundant number, since it is smaller than the sum of its proper divisors (2240161941304).

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

1914804381896 is a wasteful number, since it uses less digits than its factorization.

1914804381896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236058 (or 236054 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 62.

The spelling of 1914804381896 in words is "one trillion, nine hundred fourteen billion, eight hundred four million, three hundred eighty-one thousand, eight hundred ninety-six".