30921119492 has 6 divisors (see below), whose sum is σ = 54111959118. Its totient is φ = 15460559744.

The previous prime is 30921119401. The next prime is 30921119533. The reversal of 30921119492 is 29491112903.

It can be written as a sum of positive squares in only one way, i.e., 30900014656 + 21104836 = 175784^2 + 4594^2 .

It is a super-2 number, since 2×30921119492² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3865139933 + ... + 3865139940.

It is an arithmetic number, because the mean of its divisors is an integer number (9018659853).

Almost surely, 2^30921119492 is an apocalyptic number.

It is an amenable number.

30921119492 is a deficient number, since it is larger than the sum of its proper divisors (23190839626).

30921119492 is a wasteful number, since it uses less digits than its factorization.

30921119492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730279877 (or 7730279875 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 30921119492 in words is "thirty billion, nine hundred twenty-one million, one hundred nineteen thousand, four hundred ninety-two".