30649812697 has 16 divisors (see below), whose sum is σ = 36777087360. Its totient is φ = 24986763648.

The previous prime is 30649812689. The next prime is 30649812707. The reversal of 30649812697 is 79621894603.

It is not a de Polignac number, because 30649812697 - 2³ = 30649812689 is a prime.

It is a super-2 number, since 2×30649812697² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30649812637) 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 15 ways as a sum of consecutive naturals, for example, 1113148 + ... + 1140349.

It is an arithmetic number, because the mean of its divisors is an integer number (2298567960).

Almost surely, 2^30649812697 is an apocalyptic number.

It is an amenable number.

30649812697 is a deficient number, since it is larger than the sum of its proper divisors (6127274663).

30649812697 is a wasteful number, since it uses less digits than its factorization.

30649812697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253600.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 30649812697 in words is "thirty billion, six hundred forty-nine million, eight hundred twelve thousand, six hundred ninety-seven".