63219292889 has 2 divisors, whose sum is σ = 63219292890. Its totient is φ = 63219292888.

The previous prime is 63219292867. The next prime is 63219292919. The reversal of 63219292889 is 98829291236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45079782400 + 18139510489 = 212320^2 + 134683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63219292889 is a prime.

It is not a weakly prime, because it can be changed into another prime (63219262889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31609646444 + 31609646445.

It is an arithmetic number, because the mean of its divisors is an integer number (31609646445).

Almost surely, 2^63219292889 is an apocalyptic number.

It is an amenable number.

63219292889 is a deficient number, since it is larger than the sum of its proper divisors (1).

63219292889 is an equidigital number, since it uses as much as digits as its factorization.

63219292889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 59.

The spelling of 63219292889 in words is "sixty-three billion, two hundred nineteen million, two hundred ninety-two thousand, eight hundred eighty-nine".