2537393648 has 60 divisors (see below), whose sum is σ = 5167850040. Its totient is φ = 1206529920.

The previous prime is 2537393647. The next prime is 2537393671. The reversal of 2537393648 is 8463937352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2537393596 and 2537393605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2537393647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 905786 + ... + 908582.

It is an arithmetic number, because the mean of its divisors is an integer number (86130834).

Almost surely, 2^2537393648 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 2537393648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2583925020).

2537393648 is an abundant number, since it is smaller than the sum of its proper divisors (2630456392).

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

2537393648 is a wasteful number, since it uses less digits than its factorization.

2537393648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926 (or 2889 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 50.

The square root of 2537393648 is about 50372.5485557362. The cubic root of 2537393648 is about 1363.9421463065.

The spelling of 2537393648 in words is "two billion, five hundred thirty-seven million, three hundred ninety-three thousand, six hundred forty-eight".