45216694640895 has 128 divisors (see below), whose sum is σ = 75632959180800. Its totient is φ = 23050306836480.

The previous prime is 45216694640869. The next prime is 45216694640899. The reversal of 45216694640895 is 59804649661254.

It is a Cunningham number, because it is equal to 6724336²-1.

It is not a de Polignac number, because 45216694640895 - 2⁸ = 45216694640639 is a prime.

It is a super-2 number, since 2×45216694640895² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45216694640899) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6152764681 + ... + 6152772029.

It is an arithmetic number, because the mean of its divisors is an integer number (590882493600).

Almost surely, 2^{45216694640895} is an apocalyptic number.

45216694640895 is a deficient number, since it is larger than the sum of its proper divisors (30416264539905).

45216694640895 is a wasteful number, since it uses less digits than its factorization.

45216694640895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465.

The product of its (nonzero) digits is 447897600, while the sum is 69.

The spelling of 45216694640895 in words is "forty-five trillion, two hundred sixteen billion, six hundred ninety-four million, six hundred forty thousand, eight hundred ninety-five".