491170419 has 16 divisors (see below), whose sum is σ = 752752800. Its totient is φ = 316155168.

The previous prime is 491170411. The next prime is 491170453. The reversal of 491170419 is 914071194.

It is not a de Polignac number, because 491170419 - 2³ = 491170411 is a prime.

It is a super-2 number, since 2×491170419² = 482496761001271122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (491170411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312864 + ... + 314429.

It is an arithmetic number, because the mean of its divisors is an integer number (47047050).

Almost surely, 2^491170419 is an apocalyptic number.

491170419 is a deficient number, since it is larger than the sum of its proper divisors (261582381).

491170419 is a wasteful number, since it uses less digits than its factorization.

491170419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627331 (or 627325 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 491170419 is about 22162.3649234462. The cubic root of 491170419 is about 789.0007228665. Note that the first 3 decimals are identical.

The spelling of 491170419 in words is "four hundred ninety-one million, one hundred seventy thousand, four hundred nineteen".