63813070412 has 24 divisors (see below), whose sum is σ = 137443537056. Its totient is φ = 25244731008.

The previous prime is 63813070411. The next prime is 63813070471. The reversal of 63813070412 is 21407031836.

It is not an unprimeable number, because it can be changed into a prime (63813070411) 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, 87654953 + ... + 87655680.

It is an arithmetic number, because the mean of its divisors is an integer number (5726814044).

Almost surely, 2^63813070412 is an apocalyptic number.

It is an amenable number.

63813070412 is an abundant number, since it is smaller than the sum of its proper divisors (73630466644).

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

63813070412 is a wasteful number, since it uses less digits than its factorization.

63813070412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175310657 (or 175310655 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 63813070412 in words is "sixty-three billion, eight hundred thirteen million, seventy thousand, four hundred twelve".