914656617921 has 16 divisors (see below), whose sum is σ = 1292906075648. Its totient is φ = 574152364800.

The previous prime is 914656617911. The next prime is 914656617947. The reversal of 914656617921 is 129716656419.

It is a happy number.

914656617921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 914656617921 - 2⁶ = 914656617857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (914656617911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132902200 + ... + 132909081.

It is an arithmetic number, because the mean of its divisors is an integer number (80806629728).

Almost surely, 2^914656617921 is an apocalyptic number.

It is an amenable number.

914656617921 is a deficient number, since it is larger than the sum of its proper divisors (378249457727).

914656617921 is a wasteful number, since it uses less digits than its factorization.

914656617921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265811352.

The product of its digits is 4898880, while the sum is 57.

The spelling of 914656617921 in words is "nine hundred fourteen billion, six hundred fifty-six million, six hundred seventeen thousand, nine hundred twenty-one".