15401298969 has 24 divisors (see below), whose sum is σ = 25428740480. Its totient is φ = 8799228288.

The previous prime is 15401298931. The next prime is 15401298973. The reversal of 15401298969 is 96989210451.

15401298969 is a `hidden beast` number, since 1 + 540 + 1 + 2 + 9 + 8 + 96 + 9 = 666.

It is not a de Polignac number, because 15401298969 - 2⁷ = 15401298841 is a prime.

It is a super-2 number, since 2×15401298969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15401298919) 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 23 ways as a sum of consecutive naturals, for example, 421377 + ... + 456465.

Almost surely, 2^15401298969 is an apocalyptic number.

It is an amenable number.

15401298969 is a deficient number, since it is larger than the sum of its proper divisors (10027441511).

15401298969 is a wasteful number, since it uses less digits than its factorization.

15401298969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42069 (or 42066 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 15401298969 in words is "fifteen billion, four hundred one million, two hundred ninety-eight thousand, nine hundred sixty-nine".