63992039 has 2 divisors, whose sum is σ = 63992040. Its totient is φ = 63992038.

The previous prime is 63992017. The next prime is 63992053. The reversal of 63992039 is 93029936.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63992039 - 2²⁴ = 47214823 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 63991987 and 63992005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63992069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31996019 + 31996020.

It is an arithmetic number, because the mean of its divisors is an integer number (31996020).

Almost surely, 2^63992039 is an apocalyptic number.

63992039 is a deficient number, since it is larger than the sum of its proper divisors (1).

63992039 is an equidigital number, since it uses as much as digits as its factorization.

63992039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 63992039 is about 7999.5024220260. The cubic root of 63992039 is about 399.9834138956.

The spelling of 63992039 in words is "sixty-three million, nine hundred ninety-two thousand, thirty-nine".