2543519532664 has 48 divisors (see below), whose sum is σ = 5469983663760. Its totient is φ = 1105878048000.

The previous prime is 2543519532649. The next prime is 2543519532689. The reversal of 2543519532664 is 4662359153452.

It is a super-2 number, since 2×2543519532664² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57099537 + ... + 57144064.

It is an arithmetic number, because the mean of its divisors is an integer number (113957992995).

Almost surely, 2^{2543519532664} is an apocalyptic number.

It is an amenable number.

2543519532664 is an abundant number, since it is smaller than the sum of its proper divisors (2926464131096).

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

2543519532664 is a wasteful number, since it uses less digits than its factorization.

2543519532664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114243652 (or 114243637 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 55.

The spelling of 2543519532664 in words is "two trillion, five hundred forty-three billion, five hundred nineteen million, five hundred thirty-two thousand, six hundred sixty-four".