868498453 has 2 divisors, whose sum is σ = 868498454. Its totient is φ = 868498452.

The previous prime is 868498427. The next prime is 868498481. The reversal of 868498453 is 354894868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 842915089 + 25583364 = 29033^2 + 5058^2 .

It is a cyclic number.

It is not a de Polignac number, because 868498453 - 2¹³ = 868490261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 868498394 and 868498403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868498753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434249226 + 434249227.

It is an arithmetic number, because the mean of its divisors is an integer number (434249227).

Almost surely, 2^868498453 is an apocalyptic number.

It is an amenable number.

868498453 is a deficient number, since it is larger than the sum of its proper divisors (1).

868498453 is an equidigital number, since it uses as much as digits as its factorization.

868498453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6635520, while the sum is 55.

The square root of 868498453 is about 29470.2978098288. The cubic root of 868498453 is about 954.0907450009.

The spelling of 868498453 in words is "eight hundred sixty-eight million, four hundred ninety-eight thousand, four hundred fifty-three".