63940003007 has 2 divisors, whose sum is σ = 63940003008. Its totient is φ = 63940003006.

The previous prime is 63940002953. The next prime is 63940003019. The reversal of 63940003007 is 70030004936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63940003007 - 2⁶ = 63940002943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63940003027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31970001503 + 31970001504.

It is an arithmetic number, because the mean of its divisors is an integer number (31970001504).

Almost surely, 2^63940003007 is an apocalyptic number.

63940003007 is a deficient number, since it is larger than the sum of its proper divisors (1).

63940003007 is an equidigital number, since it uses as much as digits as its factorization.

63940003007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 63940003007 in words is "sixty-three billion, nine hundred forty million, three thousand, seven".