63311292933989 has 2 divisors, whose sum is σ = 63311292933990. Its totient is φ = 63311292933988.

The previous prime is 63311292933937. The next prime is 63311292934027. The reversal of 63311292933989 is 98933929211336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38010060952900 + 25301231981089 = 6165230^2 + 5030033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63311292933989 is a prime.

It is a super-2 number, since 2×63311292933989² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63311292933929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31655646466994 + 31655646466995.

It is an arithmetic number, because the mean of its divisors is an integer number (31655646466995).

Almost surely, 2^{63311292933989} is an apocalyptic number.

It is an amenable number.

63311292933989 is a deficient number, since it is larger than the sum of its proper divisors (1).

63311292933989 is an equidigital number, since it uses as much as digits as its factorization.

63311292933989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102036672, while the sum is 68.

The spelling of 63311292933989 in words is "sixty-three trillion, three hundred eleven billion, two hundred ninety-two million, nine hundred thirty-three thousand, nine hundred eighty-nine".