63437367139 has 2 divisors, whose sum is σ = 63437367140. Its totient is φ = 63437367138.

The previous prime is 63437367107. The next prime is 63437367163. The reversal of 63437367139 is 93176373436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63437367139 - 2⁵ = 63437367107 is a prime.

It is not a weakly prime, because it can be changed into another prime (63437367239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31718683569 + 31718683570.

It is an arithmetic number, because the mean of its divisors is an integer number (31718683570).

Almost surely, 2^63437367139 is an apocalyptic number.

63437367139 is a deficient number, since it is larger than the sum of its proper divisors (1).

63437367139 is an equidigital number, since it uses as much as digits as its factorization.

63437367139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 52.

The spelling of 63437367139 in words is "sixty-three billion, four hundred thirty-seven million, three hundred sixty-seven thousand, one hundred thirty-nine".