63401730567 has 32 divisors (see below), whose sum is σ = 96896071680. Its totient is φ = 36123252480.

The previous prime is 63401730547. The next prime is 63401730583. The reversal of 63401730567 is 76503710436.

It is a happy number.

It is not a de Polignac number, because 63401730567 - 2⁸ = 63401730311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63401730547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12824098 + ... + 12829040.

It is an arithmetic number, because the mean of its divisors is an integer number (3028002240).

Almost surely, 2^63401730567 is an apocalyptic number.

63401730567 is a deficient number, since it is larger than the sum of its proper divisors (33494341113).

63401730567 is a wasteful number, since it uses less digits than its factorization.

63401730567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623.

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 63401730567 in words is "sixty-three billion, four hundred one million, seven hundred thirty thousand, five hundred sixty-seven".