9305977626989 has 16 divisors (see below), whose sum is σ = 9690668236800. Its totient is φ = 8925730566144.

The previous prime is 9305977626949. The next prime is 9305977627031. The reversal of 9305977626989 is 9896267795039.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9305977626989 is a prime.

It is a super-2 number, since 2×9305977626989² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9305977626949) 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, 1034132 + ... + 4436370.

It is an arithmetic number, because the mean of its divisors is an integer number (605666764800).

Almost surely, 2^{9305977626989} is an apocalyptic number.

It is an amenable number.

9305977626989 is a deficient number, since it is larger than the sum of its proper divisors (384690609811).

9305977626989 is a wasteful number, since it uses less digits than its factorization.

9305977626989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402892.

The product of its (nonzero) digits is 2777664960, while the sum is 80.

The spelling of 9305977626989 in words is "nine trillion, three hundred five billion, nine hundred seventy-seven million, six hundred twenty-six thousand, nine hundred eighty-nine".