5269598465 has 4 divisors (see below), whose sum is σ = 6323518164. Its totient is φ = 4215678768.

The previous prime is 5269598461. The next prime is 5269598479. The reversal of 5269598465 is 5648959625.

It is a Cunningham number, because it is equal to 72592²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1897125136 + 3372473329 = 43556^2 + 58073^2 .

It is a cyclic number.

It is not a de Polignac number, because 5269598465 - 2² = 5269598461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5269598461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526959842 + ... + 526959851.

It is an arithmetic number, because the mean of its divisors is an integer number (1580879541).

Almost surely, 2^5269598465 is an apocalyptic number.

It is an amenable number.

5269598465 is a deficient number, since it is larger than the sum of its proper divisors (1053919699).

5269598465 is a wasteful number, since it uses less digits than its factorization.

5269598465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053919698.

The product of its digits is 23328000, while the sum is 59.

The square root of 5269598465 is about 72592.0000068878. Note that the first 5 decimals coincide. The cubic root of 5269598465 is about 1740.1733285079.

The spelling of 5269598465 in words is "five billion, two hundred sixty-nine million, five hundred ninety-eight thousand, four hundred sixty-five".