63526462536 has 64 divisors (see below), whose sum is σ = 161942299200. Its totient is φ = 20760599808.

The previous prime is 63526462481. The next prime is 63526462579.

It is a happy number.

63526462536 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×63526462536² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468030 + ... + 588306.

It is an arithmetic number, because the mean of its divisors is an integer number (2530348425).

Almost surely, 2^63526462536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63526462536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80971149600).

63526462536 is an abundant number, since it is smaller than the sum of its proper divisors (98415836664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63526462536 is a wasteful number, since it uses less digits than its factorization.

63526462536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120718 (or 120714 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 48.

The spelling of 63526462536 in words is "sixty-three billion, five hundred twenty-six million, four hundred sixty-two thousand, five hundred thirty-six".