30940969797 has 24 divisors (see below), whose sum is σ = 46884839040. Its totient is φ = 19635507360.

The previous prime is 30940969789. The next prime is 30940969819. The reversal of 30940969797 is 79796904903.

It is not a de Polignac number, because 30940969797 - 2³ = 30940969789 is a prime.

It is a super-2 number, since 2×30940969797² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30940969727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816313 + ... + 853374.

It is an arithmetic number, because the mean of its divisors is an integer number (1953534960).

Almost surely, 2^30940969797 is an apocalyptic number.

It is an amenable number.

30940969797 is a deficient number, since it is larger than the sum of its proper divisors (15943869243).

30940969797 is a wasteful number, since it uses less digits than its factorization.

30940969797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669793 (or 1669790 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 63.

The spelling of 30940969797 in words is "thirty billion, nine hundred forty million, nine hundred sixty-nine thousand, seven hundred ninety-seven".