30709896457492 has 24 divisors (see below), whose sum is σ = 64652413595840. Its totient is φ = 12468679764480.

The previous prime is 30709896457481. The next prime is 30709896457507. The reversal of 30709896457492 is 29475469890703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28862684109 + ... + 28862685172.

Almost surely, 2^{30709896457492} is an apocalyptic number.

It is an amenable number.

30709896457492 is an abundant number, since it is smaller than the sum of its proper divisors (33942517138348).

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

30709896457492 is a wasteful number, since it uses less digits than its factorization.

30709896457492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57725369311 (or 57725369309 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 73.

The spelling of 30709896457492 in words is "thirty trillion, seven hundred nine billion, eight hundred ninety-six million, four hundred fifty-seven thousand, four hundred ninety-two".