63158344079 has 2 divisors, whose sum is σ = 63158344080. Its totient is φ = 63158344078.

The previous prime is 63158344043. The next prime is 63158344099. The reversal of 63158344079 is 97044385136.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63158344079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63158344099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31579172039 + 31579172040.

It is an arithmetic number, because the mean of its divisors is an integer number (31579172040).

Almost surely, 2^63158344079 is an apocalyptic number.

63158344079 is a deficient number, since it is larger than the sum of its proper divisors (1).

63158344079 is an equidigital number, since it uses as much as digits as its factorization.

63158344079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 63158344079 in words is "sixty-three billion, one hundred fifty-eight million, three hundred forty-four thousand, seventy-nine".