5913426665 has 8 divisors (see below), whose sum is σ = 7101004488. Its totient is φ = 4727479680.

The previous prime is 5913426643. The next prime is 5913426697. The reversal of 5913426665 is 5666243195.

It can be written as a sum of positive squares in 4 ways, for example, as 2494802704 + 3418623961 = 49948^2 + 58469^2 .

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

It is not a de Polignac number, because 5913426665 - 2¹² = 5913422569 is a prime.

It is a super-2 number, since 2×5913426665² = 69937229844666044450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 399716 + ... + 414245.

It is an arithmetic number, because the mean of its divisors is an integer number (887625561).

Almost surely, 2^5913426665 is an apocalyptic number.

It is an amenable number.

5913426665 is a deficient number, since it is larger than the sum of its proper divisors (1187577823).

5913426665 is a wasteful number, since it uses less digits than its factorization.

5913426665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815419.

The product of its digits is 1166400, while the sum is 47.

The square root of 5913426665 is about 76898.8079556504. The cubic root of 5913426665 is about 1808.3385407813.

The spelling of 5913426665 in words is "five billion, nine hundred thirteen million, four hundred twenty-six thousand, six hundred sixty-five".