6269218238981 has 2 divisors, whose sum is σ = 6269218238982. Its totient is φ = 6269218238980.

The previous prime is 6269218238923. The next prime is 6269218238993. The reversal of 6269218238981 is 1898328129626.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5345649188356 + 923569050625 = 2312066^2 + 961025^2 .

It is a cyclic number.

It is not a de Polignac number, because 6269218238981 - 2¹⁸ = 6269217976837 is a prime.

It is a super-2 number, since 2×6269218238981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6269218238281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3134609119490 + 3134609119491.

It is an arithmetic number, because the mean of its divisors is an integer number (3134609119491).

Almost surely, 2^{6269218238981} is an apocalyptic number.

It is an amenable number.

6269218238981 is a deficient number, since it is larger than the sum of its proper divisors (1).

6269218238981 is an equidigital number, since it uses as much as digits as its factorization.

6269218238981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35831808, while the sum is 65.

The spelling of 6269218238981 in words is "six trillion, two hundred sixty-nine billion, two hundred eighteen million, two hundred thirty-eight thousand, nine hundred eighty-one".