45425355637 has 4 divisors (see below), whose sum is σ = 45549130816. Its totient is φ = 45301580460.

The previous prime is 45425355607. The next prime is 45425355653. The reversal of 45425355637 is 73655352454.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73655352454 = 2 ⋅36827676227.

It is a cyclic number.

It is not a de Polignac number, because 45425355637 - 2²⁷ = 45291137909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45425355607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61887039 + ... + 61887772.

It is an arithmetic number, because the mean of its divisors is an integer number (11387282704).

Almost surely, 2^45425355637 is an apocalyptic number.

It is an amenable number.

45425355637 is a deficient number, since it is larger than the sum of its proper divisors (123775179).

45425355637 is a wasteful number, since it uses less digits than its factorization.

45425355637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123775178.

The product of its digits is 7560000, while the sum is 49.

The spelling of 45425355637 in words is "forty-five billion, four hundred twenty-five million, three hundred fifty-five thousand, six hundred thirty-seven".