63993051 has 8 divisors (see below), whose sum is σ = 94804560. Its totient is φ = 42662016.

The previous prime is 63993031. The next prime is 63993067. The reversal of 63993051 is 15039936.

It is not a de Polignac number, because 63993051 - 2⁵ = 63993019 is a prime.

It is a super-2 number, since 2×63993051² = 8190221152577202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63992997 and 63993015.

It is not an unprimeable number, because it can be changed into a prime (63993011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185030 + ... + 1185083.

It is an arithmetic number, because the mean of its divisors is an integer number (11850570).

Almost surely, 2^63993051 is an apocalyptic number.

63993051 is a deficient number, since it is larger than the sum of its proper divisors (30811509).

63993051 is a wasteful number, since it uses less digits than its factorization.

63993051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370122 (or 2370116 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 63993051 is about 7999.5656757102. The cubic root of 63993051 is about 399.9855223927.

The spelling of 63993051 in words is "sixty-three million, nine hundred ninety-three thousand, fifty-one".