45963642712581 has 32 divisors (see below), whose sum is σ = 74285058368640. Its totient is φ = 27856609430400.

The previous prime is 45963642712517. The next prime is 45963642712667. The reversal of 45963642712581 is 18521724636954.

It is a happy number.

45963642712581 is a `hidden beast` number, since 4 + 5 + 9 + 6 + 3 + 6 + 42 + 7 + 1 + 2 + 581 = 666.

45963642712581 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 45963642712581 - 2⁶ = 45963642712517 is a prime.

It is a super-2 number, since 2×45963642712581² (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 (45963642702581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98115201 + ... + 98582553.

It is an arithmetic number, because the mean of its divisors is an integer number (2321408074020).

Almost surely, 2^{45963642712581} is an apocalyptic number.

It is an amenable number.

45963642712581 is a deficient number, since it is larger than the sum of its proper divisors (28321415656059).

45963642712581 is a wasteful number, since it uses less digits than its factorization.

45963642712581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798514 (or 798508 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 45963642712581 in words is "forty-five trillion, nine hundred sixty-three billion, six hundred forty-two million, seven hundred twelve thousand, five hundred eighty-one".