63291992041 has 2 divisors, whose sum is σ = 63291992042. Its totient is φ = 63291992040.

The previous prime is 63291992033. The next prime is 63291992149. The reversal of 63291992041 is 14029919236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61117728400 + 2174263641 = 247220^2 + 46629^2 .

It is a cyclic number.

It is not a de Polignac number, because 63291992041 - 2³ = 63291992033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63291991982 and 63291992000.

It is not a weakly prime, because it can be changed into another prime (63291992021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31645996020 + 31645996021.

It is an arithmetic number, because the mean of its divisors is an integer number (31645996021).

Almost surely, 2^63291992041 is an apocalyptic number.

It is an amenable number.

63291992041 is a deficient number, since it is larger than the sum of its proper divisors (1).

63291992041 is an equidigital number, since it uses as much as digits as its factorization.

63291992041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 63291992041 in words is "sixty-three billion, two hundred ninety-one million, nine hundred ninety-two thousand, forty-one".