68984226431 has 2 divisors, whose sum is σ = 68984226432. Its totient is φ = 68984226430.

The previous prime is 68984226403. The next prime is 68984226449. The reversal of 68984226431 is 13462248986.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68984226431 - 2²⁶ = 68917117567 is a prime.

It is a super-2 number, since 2×68984226431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68984226401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34492113215 + 34492113216.

It is an arithmetic number, because the mean of its divisors is an integer number (34492113216).

Almost surely, 2^68984226431 is an apocalyptic number.

68984226431 is a deficient number, since it is larger than the sum of its proper divisors (1).

68984226431 is an equidigital number, since it uses as much as digits as its factorization.

68984226431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 53.

The spelling of 68984226431 in words is "sixty-eight billion, nine hundred eighty-four million, two hundred twenty-six thousand, four hundred thirty-one".