63568690051 has 4 divisors (see below), whose sum is σ = 66914410600. Its totient is φ = 60222969504.

The previous prime is 63568690039. The next prime is 63568690063. The reversal of 63568690051 is 15009686536.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (63568690039) and next prime (63568690063).

It is a cyclic number.

It is not a de Polignac number, because 63568690051 - 2⁷ = 63568689923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63568689977 and 63568690004.

It is not an unprimeable number, because it can be changed into a prime (63568690151) 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, 1672860246 + ... + 1672860283.

It is an arithmetic number, because the mean of its divisors is an integer number (16728602650).

Almost surely, 2^63568690051 is an apocalyptic number.

63568690051 is a deficient number, since it is larger than the sum of its proper divisors (3345720549).

63568690051 is a wasteful number, since it uses less digits than its factorization.

63568690051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345720548.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 63568690051 in words is "sixty-three billion, five hundred sixty-eight million, six hundred ninety thousand, fifty-one".