63405435631002 has 32 divisors (see below), whose sum is σ = 136161465761664. Its totient is φ = 19611733747200.

The previous prime is 63405435630973. The next prime is 63405435631037. The reversal of 63405435631002 is 20013653450436.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4377611899 + ... + 4377626382.

It is an arithmetic number, because the mean of its divisors is an integer number (4255045805052).

Almost surely, 2^{63405435631002} is an apocalyptic number.

63405435631002 is an abundant number, since it is smaller than the sum of its proper divisors (72756030130662).

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

63405435631002 is a wasteful number, since it uses less digits than its factorization.

63405435631002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8755238374.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 63405435631002 in words is "sixty-three trillion, four hundred five billion, four hundred thirty-five million, six hundred thirty-one thousand, two".