492901939 has 2 divisors, whose sum is σ = 492901940. Its totient is φ = 492901938.

The previous prime is 492901907. The next prime is 492901943. The reversal of 492901939 is 939109294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 492901939 - 2⁵ = 492901907 is a prime.

It is not a weakly prime, because it can be changed into another prime (492901039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246450969 + 246450970.

It is an arithmetic number, because the mean of its divisors is an integer number (246450970).

Almost surely, 2^492901939 is an apocalyptic number.

492901939 is a deficient number, since it is larger than the sum of its proper divisors (1).

492901939 is an equidigital number, since it uses as much as digits as its factorization.

492901939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 492901939 is about 22201.3949786945. The cubic root of 492901939 is about 789.9267886009.

The spelling of 492901939 in words is "four hundred ninety-two million, nine hundred one thousand, nine hundred thirty-nine".