492149843 has 2 divisors, whose sum is σ = 492149844. Its totient is φ = 492149842.

The previous prime is 492149789. The next prime is 492149851. The reversal of 492149843 is 348941294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 492149843 - 2¹⁸ = 491887699 is a prime.

It is a super-2 number, since 2×492149843² = 484422935929849298, which contains 22 as substring.

It is equal to p_25963694 and since 492149843 and 25963694 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 492149794 and 492149803.

It is not a weakly prime, because it can be changed into another prime (492149243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246074921 + 246074922.

It is an arithmetic number, because the mean of its divisors is an integer number (246074922).

Almost surely, 2^492149843 is an apocalyptic number.

492149843 is a deficient number, since it is larger than the sum of its proper divisors (1).

492149843 is an equidigital number, since it uses as much as digits as its factorization.

492149843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 492149843 is about 22184.4504777558. The cubic root of 492149843 is about 789.5248133075.

The spelling of 492149843 in words is "four hundred ninety-two million, one hundred forty-nine thousand, eight hundred forty-three".