63612906299 has 4 divisors (see below), whose sum is σ = 63634716864. Its totient is φ = 63591095736.

The previous prime is 63612906257. The next prime is 63612906311. The reversal of 63612906299 is 99260921636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63612906299 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 63612906299.

It is not an unprimeable number, because it can be changed into a prime (63612908299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10900907 + ... + 10906740.

It is an arithmetic number, because the mean of its divisors is an integer number (15908679216).

Almost surely, 2^63612906299 is an apocalyptic number.

63612906299 is a deficient number, since it is larger than the sum of its proper divisors (21810565).

63612906299 is a wasteful number, since it uses less digits than its factorization.

63612906299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21810564.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 63612906299 in words is "sixty-three billion, six hundred twelve million, nine hundred six thousand, two hundred ninety-nine".