45949391465 has 16 divisors (see below), whose sum is σ = 58010737680. Its totient is φ = 34893665280.

The previous prime is 45949391447. The next prime is 45949391473. The reversal of 45949391465 is 56419394954.

It can be written as a sum of positive squares in 8 ways, for example, as 840304144 + 45109087321 = 28988^2 + 212389^2 .

It is not a de Polignac number, because 45949391465 - 2¹⁰ = 45949390441 is a prime.

It is a super-2 number, since 2×45949391465² (a number of 22 digits) contains 22 as substring.

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, 3021380 + ... + 3036549.

It is an arithmetic number, because the mean of its divisors is an integer number (3625671105).

Almost surely, 2^45949391465 is an apocalyptic number.

It is an amenable number.

45949391465 is a deficient number, since it is larger than the sum of its proper divisors (12061346215).

45949391465 is a wasteful number, since it uses less digits than its factorization.

45949391465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058012.

The product of its digits is 20995200, while the sum is 59.

The spelling of 45949391465 in words is "forty-five billion, nine hundred forty-nine million, three hundred ninety-one thousand, four hundred sixty-five".