5091629445 has 36 divisors (see below), whose sum is σ = 10266391980. Its totient is φ = 2327601024.

The previous prime is 5091629429. The next prime is 5091629453. The reversal of 5091629445 is 5449261905.

5091629445 is a `hidden beast` number, since 509 + 16 + 2 + 94 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 648873729 + 4442755716 = 25473^2 + 66654^2 .

It is not a de Polignac number, because 5091629445 - 2⁴ = 5091629429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5091629445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1152360 + ... + 1156769.

It is an arithmetic number, because the mean of its divisors is an integer number (285177555).

Almost surely, 2^5091629445 is an apocalyptic number.

It is an amenable number.

5091629445 is an abundant number, since it is smaller than the sum of its proper divisors (5174762535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5091629445 is a wasteful number, since it uses less digits than its factorization.

5091629445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309154 (or 2309144 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 5091629445 is about 71355.6546112500. The cubic root of 5091629445 is about 1720.3583899164.

The spelling of 5091629445 in words is "five billion, ninety-one million, six hundred twenty-nine thousand, four hundred forty-five".