63667875244331 has 2 divisors, whose sum is σ = 63667875244332. Its totient is φ = 63667875244330.

The previous prime is 63667875244307. The next prime is 63667875244343. The reversal of 63667875244331 is 13344257876636.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63667875244331 is a prime.

It is a super-2 number, since 2×63667875244331² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63667875244531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31833937622165 + 31833937622166.

It is an arithmetic number, because the mean of its divisors is an integer number (31833937622166).

Almost surely, 2^{63667875244331} is an apocalyptic number.

63667875244331 is a deficient number, since it is larger than the sum of its proper divisors (1).

63667875244331 is an equidigital number, since it uses as much as digits as its factorization.

63667875244331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 365783040, while the sum is 65.

The spelling of 63667875244331 in words is "sixty-three trillion, six hundred sixty-seven billion, eight hundred seventy-five million, two hundred forty-four thousand, three hundred thirty-one".