2543732315651 has 8 divisors (see below), whose sum is σ = 2574409134864. Its totient is φ = 2513056197600.

The previous prime is 2543732315639. The next prime is 2543732315653. The reversal of 2543732315651 is 1565132373452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2543732315651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2543732315596 and 2543732315605.

It is not an unprimeable number, because it can be changed into a prime (2543732315653) 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, 13785701 + ... + 13969001.

It is an arithmetic number, because the mean of its divisors is an integer number (321801141858).

Almost surely, 2^{2543732315651} is an apocalyptic number.

2543732315651 is a deficient number, since it is larger than the sum of its proper divisors (30676819213).

2543732315651 is a wasteful number, since it uses less digits than its factorization.

2543732315651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350581.

The product of its digits is 2268000, while the sum is 47.

The spelling of 2543732315651 in words is "two trillion, five hundred forty-three billion, seven hundred thirty-two million, three hundred fifteen thousand, six hundred fifty-one".