63247198793 has 2 divisors, whose sum is σ = 63247198794. Its totient is φ = 63247198792.

The previous prime is 63247198757. The next prime is 63247198811. The reversal of 63247198793 is 39789174236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58645340224 + 4601858569 = 242168^2 + 67837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63247198793 is a prime.

It is a super-2 number, since 2×63247198793² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63247198733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31623599396 + 31623599397.

It is an arithmetic number, because the mean of its divisors is an integer number (31623599397).

Almost surely, 2^63247198793 is an apocalyptic number.

It is an amenable number.

63247198793 is a deficient number, since it is larger than the sum of its proper divisors (1).

63247198793 is an equidigital number, since it uses as much as digits as its factorization.

63247198793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 59.

The spelling of 63247198793 in words is "sixty-three billion, two hundred forty-seven million, one hundred ninety-eight thousand, seven hundred ninety-three".