2089743831 has 48 divisors (see below), whose sum is σ = 3551156544. Its totient is φ = 1159183872.

The previous prime is 2089743829. The next prime is 2089743839. The reversal of 2089743831 is 1383479802.

2089743831 is a `hidden beast` number, since 208 + 9 + 7 + 438 + 3 + 1 = 666.

It is not a de Polignac number, because 2089743831 - 2¹ = 2089743829 is a prime.

It is a super-2 number, since 2×2089743831² = 8734058558405113122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089743839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1437501 + ... + 1438953.

It is an arithmetic number, because the mean of its divisors is an integer number (73982428).

Almost surely, 2^2089743831 is an apocalyptic number.

2089743831 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2089743831 is a deficient number, since it is larger than the sum of its proper divisors (1461412713).

2089743831 is a wasteful number, since it uses less digits than its factorization.

2089743831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2089743831 is about 45713.7160051554. The cubic root of 2089743831 is about 1278.4910259492.

The spelling of 2089743831 in words is "two billion, eighty-nine million, seven hundred forty-three thousand, eight hundred thirty-one".