45437336637 has 32 divisors (see below), whose sum is σ = 76566912000. Its totient is φ = 23280462720.

The previous prime is 45437336627. The next prime is 45437336639. The reversal of 45437336637 is 73663373454.

It is a happy number.

45437336637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45437336637 - 2¹² = 45437332541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45437336637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45437336639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1330387 + ... + 1364112.

It is an arithmetic number, because the mean of its divisors is an integer number (2392716000).

Almost surely, 2^45437336637 is an apocalyptic number.

It is an amenable number.

45437336637 is a deficient number, since it is larger than the sum of its proper divisors (31129575363).

45437336637 is a wasteful number, since it uses less digits than its factorization.

45437336637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694593.

The product of its digits is 11430720, while the sum is 51.

The spelling of 45437336637 in words is "forty-five billion, four hundred thirty-seven million, three hundred thirty-six thousand, six hundred thirty-seven".