868498481 has 2 divisors, whose sum is σ = 868498482. Its totient is φ = 868498480.

The previous prime is 868498453. The next prime is 868498487. The reversal of 868498481 is 184894868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 821109025 + 47389456 = 28655^2 + 6884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868498481 is a prime.

It is a super-2 number, since 2×868498481² = 1508579222998614722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (868498487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434249240 + 434249241.

It is an arithmetic number, because the mean of its divisors is an integer number (434249241).

Almost surely, 2^868498481 is an apocalyptic number.

It is an amenable number.

868498481 is a deficient number, since it is larger than the sum of its proper divisors (1).

868498481 is an equidigital number, since it uses as much as digits as its factorization.

868498481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3538944, while the sum is 56.

The square root of 868498481 is about 29470.2982848834. The cubic root of 868498481 is about 954.0907552540.

The spelling of 868498481 in words is "eight hundred sixty-eight million, four hundred ninety-eight thousand, four hundred eighty-one".