63155402653 has 8 divisors (see below), whose sum is σ = 72179307200. Its totient is φ = 54131924160.

The previous prime is 63155402579. The next prime is 63155402669. The reversal of 63155402653 is 35620455136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63155402653 - 2²⁵ = 63121848221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63155402053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330898 + ... + 485596.

It is an arithmetic number, because the mean of its divisors is an integer number (9022413400).

Almost surely, 2^63155402653 is an apocalyptic number.

It is an amenable number.

63155402653 is a deficient number, since it is larger than the sum of its proper divisors (9023904547).

63155402653 is a wasteful number, since it uses less digits than its factorization.

63155402653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213027.

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 63155402653 its reverse (35620455136), we get a palindrome (98775857789).

The spelling of 63155402653 in words is "sixty-three billion, one hundred fifty-five million, four hundred two thousand, six hundred fifty-three".