73559899465 has 16 divisors (see below), whose sum is σ = 95094291600. Its totient is φ = 54302717952.

The previous prime is 73559899409. The next prime is 73559899471. The reversal of 73559899465 is 56499895537.

It can be written as a sum of positive squares in 8 ways, for example, as 39341929104 + 34217970361 = 198348^2 + 184981^2 .

It is a cyclic number.

It is not a de Polignac number, because 73559899465 - 2¹⁵ = 73559866697 is a prime.

It is a super-2 number, since 2×73559899465² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73559899394 and 73559899403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2401 + ... + 383569.

It is an arithmetic number, because the mean of its divisors is an integer number (5943393225).

Almost surely, 2^73559899465 is an apocalyptic number.

It is an amenable number.

73559899465 is a deficient number, since it is larger than the sum of its proper divisors (21534392135).

73559899465 is a wasteful number, since it uses less digits than its factorization.

73559899465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384156.

The product of its digits is 367416000, while the sum is 70.

The spelling of 73559899465 in words is "seventy-three billion, five hundred fifty-nine million, eight hundred ninety-nine thousand, four hundred sixty-five".