63436063436 has 24 divisors (see below), whose sum is σ = 112130644080. Its totient is φ = 31398840000.

The previous prime is 63436063417. The next prime is 63436063451.

63436063436 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×63436063436² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3992075 + ... + 4007933.

It is an arithmetic number, because the mean of its divisors is an integer number (4672110170).

Almost surely, 2^63436063436 is an apocalyptic number.

It is an amenable number.

63436063436 is a deficient number, since it is larger than the sum of its proper divisors (48694580644).

63436063436 is a wasteful number, since it uses less digits than its factorization.

63436063436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25865 (or 25863 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 44.

It can be divided in two parts, 634360 and 63436, that added together give a palindrome (697796).

The spelling of 63436063436 in words is "sixty-three billion, four hundred thirty-six million, sixty-three thousand, four hundred thirty-six".