63199067886989 has 2 divisors, whose sum is σ = 63199067886990. Its totient is φ = 63199067886988.

The previous prime is 63199067886901. The next prime is 63199067887057. The reversal of 63199067886989 is 98968876099136.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48120928455625 + 15078139431364 = 6936925^2 + 3883058^2 .

It is a cyclic number.

It is not a de Polignac number, because 63199067886989 - 2⁸ = 63199067886733 is a prime.

It is a super-2 number, since 2×63199067886989² (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 (63199067883989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31599533943494 + 31599533943495.

It is an arithmetic number, because the mean of its divisors is an integer number (31599533943495).

Almost surely, 2^{63199067886989} is an apocalyptic number.

It is an amenable number.

63199067886989 is a deficient number, since it is larger than the sum of its proper divisors (1).

63199067886989 is an equidigital number, since it uses as much as digits as its factorization.

63199067886989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15237476352, while the sum is 89.

The spelling of 63199067886989 in words is "sixty-three trillion, one hundred ninety-nine billion, sixty-seven million, eight hundred eighty-six thousand, nine hundred eighty-nine".