63291992149 has 2 divisors, whose sum is σ = 63291992150. Its totient is φ = 63291992148.

The previous prime is 63291992041. The next prime is 63291992167. The reversal of 63291992149 is 94129919236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43266912049 + 20025080100 = 208007^2 + 141510^2 .

It is a cyclic number.

It is not a de Polignac number, because 63291992149 - 2⁷ = 63291992021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63291992149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63291995149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31645996074 + 31645996075.

It is an arithmetic number, because the mean of its divisors is an integer number (31645996075).

Almost surely, 2^63291992149 is an apocalyptic number.

It is an amenable number.

63291992149 is a deficient number, since it is larger than the sum of its proper divisors (1).

63291992149 is an equidigital number, since it uses as much as digits as its factorization.

63291992149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 55.

The spelling of 63291992149 in words is "sixty-three billion, two hundred ninety-one million, nine hundred ninety-two thousand, one hundred forty-nine".