30989218236496 has 80 divisors (see below), whose sum is σ = 66167159544640. Its totient is φ = 13969411061760.

The previous prime is 30989218236469. The next prime is 30989218236499. The reversal of 30989218236496 is 69463281298903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30989218236499) 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, 212445475 + ... + 212591293.

It is an arithmetic number, because the mean of its divisors is an integer number (827089494308).

Almost surely, 2^{30989218236496} is an apocalyptic number.

It is an amenable number.

30989218236496 is an abundant number, since it is smaller than the sum of its proper divisors (35177941308144).

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

30989218236496 is a wasteful number, since it uses less digits than its factorization.

30989218236496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169644 (or 169638 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 70.

The spelling of 30989218236496 in words is "thirty trillion, nine hundred eighty-nine billion, two hundred eighteen million, two hundred thirty-six thousand, four hundred ninety-six".