45663036521 has 4 divisors (see below), whose sum is σ = 45746516112. Its totient is φ = 45579556932.

The previous prime is 45663036493. The next prime is 45663036593. The reversal of 45663036521 is 12563036654.

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 45663036521 - 2¹⁰ = 45663035497 is a prime.

It is a super-2 number, since 2×45663036521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45663036421) 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, 41738975 + ... + 41740068.

It is an arithmetic number, because the mean of its divisors is an integer number (11436629028).

Almost surely, 2^45663036521 is an apocalyptic number.

It is an amenable number.

45663036521 is a deficient number, since it is larger than the sum of its proper divisors (83479591).

45663036521 is an equidigital number, since it uses as much as digits as its factorization.

45663036521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83479590.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 45663036521 in words is "forty-five billion, six hundred sixty-three million, thirty-six thousand, five hundred twenty-one".