491848870 has 16 divisors (see below), whose sum is σ = 895996080. Its totient is φ = 194368864.

The previous prime is 491848849. The next prime is 491848871. The reversal of 491848870 is 78848194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491848871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295465 + ... + 297124.

It is an arithmetic number, because the mean of its divisors is an integer number (55999755).

Almost surely, 2^491848870 is an apocalyptic number.

491848870 is a deficient number, since it is larger than the sum of its proper divisors (404147210).

491848870 is a wasteful number, since it uses less digits than its factorization.

491848870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592679.

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 491848870 is about 22177.6660178658. Note that the first 3 decimals coincide. The cubic root of 491848870 is about 789.3638365161.

The spelling of 491848870 in words is "four hundred ninety-one million, eight hundred forty-eight thousand, eight hundred seventy".