2798049231 has 32 divisors (see below), whose sum is σ = 4375872000. Its totient is φ = 1762150464.

The previous prime is 2798049203. The next prime is 2798049239. The reversal of 2798049231 is 1329408972.

It is not a de Polignac number, because 2798049231 - 2¹⁴ = 2798032847 is a prime.

It is a super-2 number, since 2×2798049231² = 15658158998199382722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798049239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176571 + ... + 191763.

It is an arithmetic number, because the mean of its divisors is an integer number (136746000).

Almost surely, 2^2798049231 is an apocalyptic number.

2798049231 is a deficient number, since it is larger than the sum of its proper divisors (1577822769).

2798049231 is a wasteful number, since it uses less digits than its factorization.

2798049231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15580 (or 15574 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2798049231 is about 52896.5899751581. The cubic root of 2798049231 is about 1409.1323453222.

The spelling of 2798049231 in words is "two billion, seven hundred ninety-eight million, forty-nine thousand, two hundred thirty-one".