63220068501 has 4 divisors (see below), whose sum is σ = 84293424672. Its totient is φ = 42146712332.

The previous prime is 63220068497. The next prime is 63220068521. The reversal of 63220068501 is 10586002236.

63220068501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63220068501 - 2² = 63220068497 is a prime.

It is a super-2 number, since 2×63220068501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63220068521) 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, 10536678081 + ... + 10536678086.

It is an arithmetic number, because the mean of its divisors is an integer number (21073356168).

Almost surely, 2^63220068501 is an apocalyptic number.

It is an amenable number.

63220068501 is a deficient number, since it is larger than the sum of its proper divisors (21073356171).

63220068501 is a wasteful number, since it uses less digits than its factorization.

63220068501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21073356170.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 63220068501 in words is "sixty-three billion, two hundred twenty million, sixty-eight thousand, five hundred one".