492781963 has 2 divisors, whose sum is σ = 492781964. Its totient is φ = 492781962.

The previous prime is 492781951. The next prime is 492781997. The reversal of 492781963 is 369187294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492781963 - 2⁵ = 492781931 is a prime.

It is not a weakly prime, because it can be changed into another prime (492781063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246390981 + 246390982.

It is an arithmetic number, because the mean of its divisors is an integer number (246390982).

Almost surely, 2^492781963 is an apocalyptic number.

492781963 is a deficient number, since it is larger than the sum of its proper divisors (1).

492781963 is an equidigital number, since it uses as much as digits as its factorization.

492781963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 492781963 is about 22198.6928218758. The cubic root of 492781963 is about 789.8626920471.

The spelling of 492781963 in words is "four hundred ninety-two million, seven hundred eighty-one thousand, nine hundred sixty-three".