2373728859757 has 4 divisors (see below), whose sum is σ = 2373738555136. Its totient is φ = 2373719164380.

The previous prime is 2373728859703. The next prime is 2373728859763. The reversal of 2373728859757 is 7579588273732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2373728859757 - 2²³ = 2373720471149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2373728859757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2373728859157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4470669 + ... + 4973362.

It is an arithmetic number, because the mean of its divisors is an integer number (593434638784).

Almost surely, 2^{2373728859757} is an apocalyptic number.

It is an amenable number.

2373728859757 is a deficient number, since it is larger than the sum of its proper divisors (9695379).

2373728859757 is an equidigital number, since it uses as much as digits as its factorization.

2373728859757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695378.

The product of its digits is 1244678400, while the sum is 73.

The spelling of 2373728859757 in words is "two trillion, three hundred seventy-three billion, seven hundred twenty-eight million, eight hundred fifty-nine thousand, seven hundred fifty-seven".