30970795647 has 32 divisors (see below), whose sum is σ = 46312381440. Its totient is φ = 18244552320.

The previous prime is 30970795591. The next prime is 30970795651. The reversal of 30970795647 is 74659707903.

It is not a de Polignac number, because 30970795647 - 2⁷ = 30970795519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30970795847) 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 31 ways as a sum of consecutive naturals, for example, 1256413 + ... + 1280825.

It is an arithmetic number, because the mean of its divisors is an integer number (1447261920).

Almost surely, 2^30970795647 is an apocalyptic number.

30970795647 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

30970795647 is a deficient number, since it is larger than the sum of its proper divisors (15341585793).

30970795647 is a wasteful number, since it uses less digits than its factorization.

30970795647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25503.

The product of its (nonzero) digits is 10001880, while the sum is 57.

The spelling of 30970795647 in words is "thirty billion, nine hundred seventy million, seven hundred ninety-five thousand, six hundred forty-seven".