72468899569 has 8 divisors (see below), whose sum is σ = 79080755040. Its totient is φ = 65861006400.

The previous prime is 72468899563. The next prime is 72468899579. The reversal of 72468899569 is 96599886427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72468899569 - 2³ = 72468899561 is a prime.

It is a super-2 number, since 2×72468899569² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72468899561) 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 7 ways as a sum of consecutive naturals, for example, 952264 + ... + 1025545.

It is an arithmetic number, because the mean of its divisors is an integer number (9885094380).

Almost surely, 2^72468899569 is an apocalyptic number.

It is an amenable number.

72468899569 is a deficient number, since it is larger than the sum of its proper divisors (6611855471).

72468899569 is a wasteful number, since it uses less digits than its factorization.

72468899569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981151.

The product of its digits is 470292480, while the sum is 73.

The spelling of 72468899569 in words is "seventy-two billion, four hundred sixty-eight million, eight hundred ninety-nine thousand, five hundred sixty-nine".