12953081906 has 8 divisors (see below), whose sum is σ = 19503500544. Its totient is φ = 6451915060.

The previous prime is 12953081861. The next prime is 12953081923. The reversal of 12953081906 is 60918035921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12312290 + ... + 12313341.

It is an arithmetic number, because the mean of its divisors is an integer number (2437937568).

Almost surely, 2^12953081906 is an apocalyptic number.

12953081906 is a deficient number, since it is larger than the sum of its proper divisors (6550418638).

12953081906 is a wasteful number, since it uses less digits than its factorization.

12953081906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24625896.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 12953081906 in words is "twelve billion, nine hundred fifty-three million, eighty-one thousand, nine hundred six".