492669479 has 2 divisors, whose sum is σ = 492669480. Its totient is φ = 492669478.

The previous prime is 492669473. The next prime is 492669493. The reversal of 492669479 is 974966294.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492669479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492669473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246334739 + 246334740.

It is an arithmetic number, because the mean of its divisors is an integer number (246334740).

Almost surely, 2^492669479 is an apocalyptic number.

492669479 is a deficient number, since it is larger than the sum of its proper divisors (1).

492669479 is an equidigital number, since it uses as much as digits as its factorization.

492669479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 56.

The square root of 492669479 is about 22196.1591046739. The cubic root of 492669479 is about 789.8025886054.

The spelling of 492669479 in words is "four hundred ninety-two million, six hundred sixty-nine thousand, four hundred seventy-nine".