969287090621 has 4 divisors (see below), whose sum is σ = 991828650912. Its totient is φ = 946745530332.

The previous prime is 969287090579. The next prime is 969287090647. The reversal of 969287090621 is 126090782969.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 969287090621 - 2⁶ = 969287090557 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 (969287090671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11270780081 + ... + 11270780166.

It is an arithmetic number, because the mean of its divisors is an integer number (247957162728).

Almost surely, 2^969287090621 is an apocalyptic number.

It is an amenable number.

969287090621 is a deficient number, since it is larger than the sum of its proper divisors (22541560291).

969287090621 is a wasteful number, since it uses less digits than its factorization.

969287090621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22541560290.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 969287090621 in words is "nine hundred sixty-nine billion, two hundred eighty-seven million, ninety thousand, six hundred twenty-one".