8945525631 has 64 divisors (see below), whose sum is σ = 14810646528. Its totient is φ = 4691478528.

The previous prime is 8945525627. The next prime is 8945525657. The reversal of 8945525631 is 1365255498.

It is not a de Polignac number, because 8945525631 - 2² = 8945525627 is a prime.

It is a super-2 number, since 2×8945525631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8945525131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1301155 + ... + 1308011.

It is an arithmetic number, because the mean of its divisors is an integer number (231416352).

Almost surely, 2^8945525631 is an apocalyptic number.

8945525631 is a deficient number, since it is larger than the sum of its proper divisors (5865120897).

8945525631 is a wasteful number, since it uses less digits than its factorization.

8945525631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000.

The product of its digits is 1296000, while the sum is 48.

The square root of 8945525631 is about 94580.7889108565. The cubic root of 8945525631 is about 2075.8786142045.

The spelling of 8945525631 in words is "eight billion, nine hundred forty-five million, five hundred twenty-five thousand, six hundred thirty-one".