920864444869463 has 16 divisors (see below), whose sum is σ = 944356036958400. Its totient is φ = 897645585876480.

The previous prime is 920864444869433. The next prime is 920864444869513. The reversal of 920864444869463 is 364968444468029.

It is a cyclic number.

It is not a de Polignac number, because 920864444869463 - 2⁸ = 920864444869207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920864444869433) 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, 49862918 + ... + 65787836.

It is an arithmetic number, because the mean of its divisors is an integer number (59022252309900).

Almost surely, 2^{920864444869463} is an apocalyptic number.

920864444869463 is a deficient number, since it is larger than the sum of its proper divisors (23491592088937).

920864444869463 is a wasteful number, since it uses less digits than its factorization.

920864444869463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15933482.

The product of its (nonzero) digits is 6879707136, while the sum is 77.

The spelling of 920864444869463 in words is "nine hundred twenty trillion, eight hundred sixty-four billion, four hundred forty-four million, eight hundred sixty-nine thousand, four hundred sixty-three".