63436261312 has 14 divisors (see below), whose sum is σ = 125881331168. Its totient is φ = 31718130624.

The previous prime is 63436261253. The next prime is 63436261333. The reversal of 63436261312 is 21316263436.

It is a super-2 number, since 2×63436261312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495595728 + ... + 495595855.

Almost surely, 2^63436261312 is an apocalyptic number.

It is an amenable number.

63436261312 is a deficient number, since it is larger than the sum of its proper divisors (62445069856).

63436261312 is an equidigital number, since it uses as much as digits as its factorization.

63436261312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991191595 (or 991191585 counting only the distinct ones).

The product of its digits is 93312, while the sum is 37.

The spelling of 63436261312 in words is "sixty-three billion, four hundred thirty-six million, two hundred sixty-one thousand, three hundred twelve".