2537439684 has 72 divisors (see below), whose sum is σ = 6477760800. Its totient is φ = 772641792.

The previous prime is 2537439659. The next prime is 2537439689. The reversal of 2537439684 is 4869347352.

It is not an unprimeable number, because it can be changed into a prime (2537439689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190267 + ... + 203165.

It is an arithmetic number, because the mean of its divisors is an integer number (89968900).

Almost surely, 2^2537439684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2537439684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3238880400).

2537439684 is an abundant number, since it is smaller than the sum of its proper divisors (3940321116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2537439684 is a wasteful number, since it uses less digits than its factorization.

2537439684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13029 (or 13014 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The square root of 2537439684 is about 50373.0055089033. The cubic root of 2537439684 is about 1363.9503949361.

The spelling of 2537439684 in words is "two billion, five hundred thirty-seven million, four hundred thirty-nine thousand, six hundred eighty-four".