63667333349 has 16 divisors (see below), whose sum is σ = 65957976000. Its totient is φ = 61414093440.

The previous prime is 63667333283. The next prime is 63667333441. The reversal of 63667333349 is 94333376636.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63667333349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63667333349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63667339349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2280527 + ... + 2308275.

It is an arithmetic number, because the mean of its divisors is an integer number (4122373500).

Almost surely, 2^63667333349 is an apocalyptic number.

It is an amenable number.

63667333349 is a deficient number, since it is larger than the sum of its proper divisors (2290642651).

63667333349 is a wasteful number, since it uses less digits than its factorization.

63667333349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28420.

The product of its digits is 13226976, while the sum is 53.

The spelling of 63667333349 in words is "sixty-three billion, six hundred sixty-seven million, three hundred thirty-three thousand, three hundred forty-nine".