2680491830 has 32 divisors (see below), whose sum is σ = 5119350336. Its totient is φ = 1007023104.

The previous prime is 2680491811. The next prime is 2680491857. The reversal of 2680491830 is 381940862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66602 + ... + 98978.

It is an arithmetic number, because the mean of its divisors is an integer number (159979698).

Almost surely, 2^2680491830 is an apocalyptic number.

2680491830 is a deficient number, since it is larger than the sum of its proper divisors (2438858506).

2680491830 is a wasteful number, since it uses less digits than its factorization.

2680491830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32888.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 2680491830 is about 51773.4664669075. The cubic root of 2680491830 is about 1389.1148773770.

The spelling of 2680491830 in words is "two billion, six hundred eighty million, four hundred ninety-one thousand, eight hundred thirty".