12953177906 has 16 divisors (see below), whose sum is σ = 19483351200. Its totient is φ = 6458752608.

The previous prime is 12953177891. The next prime is 12953177917. The reversal of 12953177906 is 60977135921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174325 + ... + 1185303.

It is an arithmetic number, because the mean of its divisors is an integer number (1217709450).

Almost surely, 2^12953177906 is an apocalyptic number.

12953177906 is a deficient number, since it is larger than the sum of its proper divisors (6530173294).

12953177906 is a wasteful number, since it uses less digits than its factorization.

12953177906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12553.

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 12953177906 in words is "twelve billion, nine hundred fifty-three million, one hundred seventy-seven thousand, nine hundred six".