12951690934 has 32 divisors (see below), whose sum is σ = 23969413440. Its totient is φ = 5111188992.

The previous prime is 12951690923. The next prime is 12951690989. The reversal of 12951690934 is 43909615921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12559 + ... + 161434.

It is an arithmetic number, because the mean of its divisors is an integer number (749044170).

Almost surely, 2^12951690934 is an apocalyptic number.

12951690934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12951690934 is a deficient number, since it is larger than the sum of its proper divisors (11017722506).

12951690934 is a wasteful number, since it uses less digits than its factorization.

12951690934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174424.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 12951690934 in words is "twelve billion, nine hundred fifty-one million, six hundred ninety thousand, nine hundred thirty-four".