6263881381897 has 2 divisors, whose sum is σ = 6263881381898. Its totient is φ = 6263881381896.

The previous prime is 6263881381861. The next prime is 6263881381981. The reversal of 6263881381897 is 7981831883626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5070508664841 + 1193372717056 = 2251779^2 + 1092416^2 .

It is a cyclic number.

It is not a de Polignac number, because 6263881381897 - 2²³ = 6263872993289 is a prime.

It is not a weakly prime, because it can be changed into another prime (6263881384897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3131940690948 + 3131940690949.

It is an arithmetic number, because the mean of its divisors is an integer number (3131940690949).

Almost surely, 2^{6263881381897} is an apocalyptic number.

It is an amenable number.

6263881381897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6263881381897 is an equidigital number, since it uses as much as digits as its factorization.

6263881381897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 167215104, while the sum is 70.

The spelling of 6263881381897 in words is "six trillion, two hundred sixty-three billion, eight hundred eighty-one million, three hundred eighty-one thousand, eight hundred ninety-seven".