2831989494 has 16 divisors (see below), whose sum is σ = 5910239232. Its totient is φ = 902953128.

The previous prime is 2831989493. The next prime is 2831989541. The reversal of 2831989494 is 4949891382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2831989493) 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, 10260694 + ... + 10260969.

It is an arithmetic number, because the mean of its divisors is an integer number (369389952).

Almost surely, 2^2831989494 is an apocalyptic number.

2831989494 is an abundant number, since it is smaller than the sum of its proper divisors (3078249738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2831989494 is a wasteful number, since it uses less digits than its factorization.

2831989494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20521691.

The product of its digits is 4478976, while the sum is 57.

The square root of 2831989494 is about 53216.4400725941. The cubic root of 2831989494 is about 1414.8070414919.

The spelling of 2831989494 in words is "two billion, eight hundred thirty-one million, nine hundred eighty-nine thousand, four hundred ninety-four".