635422130564 has 24 divisors (see below), whose sum is σ = 1202185983768. Its totient is φ = 292130611200.

The previous prime is 635422130561. The next prime is 635422130617. The reversal of 635422130564 is 465031224536.

It can be written as a sum of positive squares in 4 ways, for example, as 32612748100 + 602809382464 = 180590^2 + 776408^2 .

It is a super-2 number, since 2×635422130564² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (635422130561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23760287 + ... + 23787014.

It is an arithmetic number, because the mean of its divisors is an integer number (50091082657).

Almost surely, 2^635422130564 is an apocalyptic number.

It is an amenable number.

635422130564 is a deficient number, since it is larger than the sum of its proper divisors (566763853204).

635422130564 is a wasteful number, since it uses less digits than its factorization.

635422130564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47547575 (or 47547573 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 635422130564 in words is "six hundred thirty-five billion, four hundred twenty-two million, one hundred thirty thousand, five hundred sixty-four".