45635372221531 has 4 divisors (see below), whose sum is σ = 45733936740832. Its totient is φ = 45536807702232.

The previous prime is 45635372221529. The next prime is 45635372221553. The reversal of 45635372221531 is 13512227353654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45635372221531 - 2¹ = 45635372221529 is a prime.

It is a super-2 number, since 2×45635372221531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45635372221561) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 49282258956 + ... + 49282259881.

It is an arithmetic number, because the mean of its divisors is an integer number (11433484185208).

Almost surely, 2^{45635372221531} is an apocalyptic number.

45635372221531 is a deficient number, since it is larger than the sum of its proper divisors (98564519301).

45635372221531 is an equidigital number, since it uses as much as digits as its factorization.

45635372221531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98564519300.

The product of its digits is 4536000, while the sum is 49.

The spelling of 45635372221531 in words is "forty-five trillion, six hundred thirty-five billion, three hundred seventy-two million, two hundred twenty-one thousand, five hundred thirty-one".