45637555639 has 16 divisors (see below), whose sum is σ = 49621572000. Its totient is φ = 41721526656.

The previous prime is 45637555637. The next prime is 45637555651. The reversal of 45637555639 is 93655573654.

It is a cyclic number.

It is not a de Polignac number, because 45637555639 - 2¹ = 45637555637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45637555637) 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 15 ways as a sum of consecutive naturals, for example, 3818517 + ... + 3830449.

It is an arithmetic number, because the mean of its divisors is an integer number (3101348250).

Almost surely, 2^45637555639 is an apocalyptic number.

45637555639 is a deficient number, since it is larger than the sum of its proper divisors (3984016361).

45637555639 is a wasteful number, since it uses less digits than its factorization.

45637555639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14754.

The product of its digits is 51030000, while the sum is 58.

The spelling of 45637555639 in words is "forty-five billion, six hundred thirty-seven million, five hundred fifty-five thousand, six hundred thirty-nine".