63442879753 has 4 divisors (see below), whose sum is σ = 69210414288. Its totient is φ = 57675345220.

The previous prime is 63442879693. The next prime is 63442879769. The reversal of 63442879753 is 35797824436.

63442879753 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 63442879753 - 2¹³ = 63442871561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63442879783) 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, 2883767251 + ... + 2883767272.

It is an arithmetic number, because the mean of its divisors is an integer number (17302603572).

Almost surely, 2^63442879753 is an apocalyptic number.

It is an amenable number.

63442879753 is a deficient number, since it is larger than the sum of its proper divisors (5767534535).

63442879753 is a wasteful number, since it uses less digits than its factorization.

63442879753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767534534.

The product of its digits is 30481920, while the sum is 58.

The spelling of 63442879753 in words is "sixty-three billion, four hundred forty-two million, eight hundred seventy-nine thousand, seven hundred fifty-three".