2537543668 has 24 divisors (see below), whose sum is σ = 4894352064. Its totient is φ = 1141536000.

The previous prime is 2537543663. The next prime is 2537543681. The reversal of 2537543668 is 8663457352.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2537543663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293008 + ... + 301543.

It is an arithmetic number, because the mean of its divisors is an integer number (203931336).

Almost surely, 2^2537543668 is an apocalyptic number.

It is an amenable number.

2537543668 is a deficient number, since it is larger than the sum of its proper divisors (2356808396).

2537543668 is a wasteful number, since it uses less digits than its factorization.

2537543668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594663 (or 594661 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 49.

The square root of 2537543668 is about 50374.0376384502. The cubic root of 2537543668 is about 1363.9690261941.

The spelling of 2537543668 in words is "two billion, five hundred thirty-seven million, five hundred forty-three thousand, six hundred sixty-eight".