869929762641 has 16 divisors (see below), whose sum is σ = 1169304586560. Its totient is φ = 575258178560.

The previous prime is 869929762633. The next prime is 869929762661. The reversal of 869929762641 is 146267929968.

It is a cyclic number.

It is not a de Polignac number, because 869929762641 - 2³ = 869929762633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (869929762621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332065 + ... + 1360193.

It is an arithmetic number, because the mean of its divisors is an integer number (73081536660).

Almost surely, 2^869929762641 is an apocalyptic number.

It is an amenable number.

869929762641 is a deficient number, since it is larger than the sum of its proper divisors (299374823919).

869929762641 is a wasteful number, since it uses less digits than its factorization.

869929762641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030416.

The product of its digits is 141087744, while the sum is 69.

The spelling of 869929762641 in words is "eight hundred sixty-nine billion, nine hundred twenty-nine million, seven hundred sixty-two thousand, six hundred forty-one".