2043139761 has 32 divisors (see below), whose sum is σ = 3263070720. Its totient is φ = 1256020992.

The previous prime is 2043139759. The next prime is 2043139799. The reversal of 2043139761 is 1679313402.

2043139761 is a `hidden beast` number, since 204 + 3 + 1 + 397 + 61 = 666.

It is not a de Polignac number, because 2043139761 - 2¹ = 2043139759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2043139751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424776 + ... + 429558.

It is an arithmetic number, because the mean of its divisors is an integer number (101970960).

Almost surely, 2^2043139761 is an apocalyptic number.

It is an amenable number.

2043139761 is a deficient number, since it is larger than the sum of its proper divisors (1219930959).

2043139761 is a wasteful number, since it uses less digits than its factorization.

2043139761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022 (or 6016 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 2043139761 is about 45201.1035374138. The cubic root of 2043139761 is about 1268.9154692225.

The spelling of 2043139761 in words is "two billion, forty-three million, one hundred thirty-nine thousand, seven hundred sixty-one".