63155612069 has 16 divisors (see below), whose sum is σ = 70622724096. Its totient is φ = 55985137200.

The previous prime is 63155612029. The next prime is 63155612111. The reversal of 63155612069 is 96021655136.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63155612069 is a prime.

It is a super-2 number, since 2×63155612069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63155612029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85277 + ... + 365490.

It is an arithmetic number, because the mean of its divisors is an integer number (4413920256).

Almost surely, 2^63155612069 is an apocalyptic number.

It is an amenable number.

63155612069 is a deficient number, since it is larger than the sum of its proper divisors (7467112027).

63155612069 is a wasteful number, since it uses less digits than its factorization.

63155612069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451096.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 63155612069 in words is "sixty-three billion, one hundred fifty-five million, six hundred twelve thousand, sixty-nine".