453989659 has 2 divisors, whose sum is σ = 453989660. Its totient is φ = 453989658.

The previous prime is 453989621. The next prime is 453989671. The reversal of 453989659 is 956989354.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453989659 is a prime.

It is a super-2 number, since 2×453989659² = 412213220957872562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (453989609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226994829 + 226994830.

It is an arithmetic number, because the mean of its divisors is an integer number (226994830).

Almost surely, 2^453989659 is an apocalyptic number.

453989659 is a deficient number, since it is larger than the sum of its proper divisors (1).

453989659 is an equidigital number, since it uses as much as digits as its factorization.

453989659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10497600, while the sum is 58.

The square root of 453989659 is about 21307.0330876920. The cubic root of 453989659 is about 768.5674488962.

The spelling of 453989659 in words is "four hundred fifty-three million, nine hundred eighty-nine thousand, six hundred fifty-nine".