2686491004 has 12 divisors (see below), whose sum is σ = 4701773944. Its totient is φ = 1343127024.

The previous prime is 2686490957. The next prime is 2686491007. The reversal of 2686491004 is 4001946862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686491007) 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, 39127 + ... + 83089.

Almost surely, 2^2686491004 is an apocalyptic number.

It is an amenable number.

2686491004 is a deficient number, since it is larger than the sum of its proper divisors (2015282940).

2686491004 is a wasteful number, since it uses less digits than its factorization.

2686491004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59244 (or 59242 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2686491004 is about 51831.3708481649. The cubic root of 2686491004 is about 1390.1504252090.

The spelling of 2686491004 in words is "two billion, six hundred eighty-six million, four hundred ninety-one thousand, four".