63626531049 has 15 divisors (see below), whose sum is σ = 95050431597. Its totient is φ = 42416173908.

The previous prime is 63626531047. The next prime is 63626531063. The reversal of 63626531049 is 94013562636.

The square root of 63626531049 is 252243.

It is a perfect power (a square), and thus also a powerful number.

63626531049 is a `hidden beast` number, since 6 + 3 + 626 + 5 + 3 + 10 + 4 + 9 = 666.

It is not a de Polignac number, because 63626531049 - 2¹ = 63626531047 is a prime.

It is a super-2 number, since 2×63626531049² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63626530995 and 63626531013.

It is not an unprimeable number, because it can be changed into a prime (63626531047) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2256174 + ... + 2284200.

Almost surely, 2^63626531049 is an apocalyptic number.

63626531049 is the 252243-rd square number.

63626531049 is the 126122-nd centered octagonal number.

It is an amenable number.

63626531049 is a deficient number, since it is larger than the sum of its proper divisors (31423900548).

63626531049 is an frugal number, since it uses more digits than its factorization.

63626531049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56066 (or 28030 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 63626531049 in words is "sixty-three billion, six hundred twenty-six million, five hundred thirty-one thousand, forty-nine".