2542752072731 has 8 divisors (see below), whose sum is σ = 2739921269904. Its totient is φ = 2345807573280.

The previous prime is 2542752072709. The next prime is 2542752072739. The reversal of 2542752072731 is 1372702572452.

It is a happy number.

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-2542752072731 is a prime.

It is a super-2 number, since 2×2542752072731² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2542752072739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56150921 + ... + 56196186.

It is an arithmetic number, because the mean of its divisors is an integer number (342490158738).

Almost surely, 2^{2542752072731} is an apocalyptic number.

2542752072731 is a deficient number, since it is larger than the sum of its proper divisors (197169197173).

2542752072731 is a wasteful number, since it uses less digits than its factorization.

2542752072731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112348861.

The product of its (nonzero) digits is 1646400, while the sum is 47.

The spelling of 2542752072731 in words is "two trillion, five hundred forty-two billion, seven hundred fifty-two million, seventy-two thousand, seven hundred thirty-one".