491029694 has 8 divisors (see below), whose sum is σ = 754509168. Its totient is φ = 239526640.

The previous prime is 491029657. The next prime is 491029697. The reversal of 491029694 is 496920194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×491029694² = 482220320779467272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491029697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2994002 + ... + 2994165.

It is an arithmetic number, because the mean of its divisors is an integer number (94313646).

Almost surely, 2^491029694 is an apocalyptic number.

491029694 is a deficient number, since it is larger than the sum of its proper divisors (263479474).

491029694 is a wasteful number, since it uses less digits than its factorization.

491029694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988210.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 491029694 is about 22159.1898317605. The cubic root of 491029694 is about 788.9253635967.

The spelling of 491029694 in words is "four hundred ninety-one million, twenty-nine thousand, six hundred ninety-four".