1042676491 has 2 divisors, whose sum is σ = 1042676492. Its totient is φ = 1042676490.

The previous prime is 1042676399. The next prime is 1042676507. The reversal of 1042676491 is 1946762401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042676491 - 2¹⁷ = 1042545419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042676191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521338245 + 521338246.

It is an arithmetic number, because the mean of its divisors is an integer number (521338246).

Almost surely, 2^1042676491 is an apocalyptic number.

1042676491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042676491 is an equidigital number, since it uses as much as digits as its factorization.

1042676491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1042676491 is about 32290.5015600563. The cubic root of 1042676491 is about 1014.0277977640.

The spelling of 1042676491 in words is "one billion, forty-two million, six hundred seventy-six thousand, four hundred ninety-one".