853498963 has 2 divisors, whose sum is σ = 853498964. Its totient is φ = 853498962.

The previous prime is 853498949. The next prime is 853498979. The reversal of 853498963 is 369894358.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853498963 is a prime.

It is not a weakly prime, because it can be changed into another prime (853498993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426749481 + 426749482.

It is an arithmetic number, because the mean of its divisors is an integer number (426749482).

Almost surely, 2^853498963 is an apocalyptic number.

853498963 is a deficient number, since it is larger than the sum of its proper divisors (1).

853498963 is an equidigital number, since it uses as much as digits as its factorization.

853498963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 55.

The square root of 853498963 is about 29214.7045680767. The cubic root of 853498963 is about 948.5662446287.

The spelling of 853498963 in words is "eight hundred fifty-three million, four hundred ninety-eight thousand, nine hundred sixty-three".