491010607 has 2 divisors, whose sum is σ = 491010608. Its totient is φ = 491010606.

The previous prime is 491010599. The next prime is 491010613. The reversal of 491010607 is 706010194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 491010607 - 2³ = 491010599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (491010617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245505303 + 245505304.

It is an arithmetic number, because the mean of its divisors is an integer number (245505304).

Almost surely, 2^491010607 is an apocalyptic number.

491010607 is a deficient number, since it is larger than the sum of its proper divisors (1).

491010607 is an equidigital number, since it uses as much as digits as its factorization.

491010607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 491010607 is about 22158.7591484722. The cubic root of 491010607 is about 788.9151412594.

The spelling of 491010607 in words is "four hundred ninety-one million, ten thousand, six hundred seven".