193312730460 has 48 divisors (see below), whose sum is σ = 543201940512. Its totient is φ = 51366604800.

The previous prime is 193312730449. The next prime is 193312730497. The reversal of 193312730460 is 64037213391.

It is a super-2 number, since 2×193312730460² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5716021 + ... + 5749740.

It is an arithmetic number, because the mean of its divisors is an integer number (11316707094).

Almost surely, 2^193312730460 is an apocalyptic number.

193312730460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193312730460 is an abundant number, since it is smaller than the sum of its proper divisors (349889210052).

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

193312730460 is a wasteful number, since it uses less digits than its factorization.

193312730460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11466054 (or 11466052 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 193312730460 in words is "one hundred ninety-three billion, three hundred twelve million, seven hundred thirty thousand, four hundred sixty".