45572085649 has 4 divisors (see below), whose sum is σ = 47042152960. Its totient is φ = 44102018340.

The previous prime is 45572085607. The next prime is 45572085653. The reversal of 45572085649 is 94658027554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45572085649 - 2²⁹ = 45035214737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45572085649.

It is not an unprimeable number, because it can be changed into a prime (45572085679) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 735033609 + ... + 735033670.

It is an arithmetic number, because the mean of its divisors is an integer number (11760538240).

Almost surely, 2^45572085649 is an apocalyptic number.

It is an amenable number.

45572085649 is a deficient number, since it is larger than the sum of its proper divisors (1470067311).

45572085649 is a wasteful number, since it uses less digits than its factorization.

45572085649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470067310.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 45572085649 in words is "forty-five billion, five hundred seventy-two million, eighty-five thousand, six hundred forty-nine".