3721265280723 has 16 divisors (see below), whose sum is σ = 5008561668000. Its totient is φ = 2457418521600.

The previous prime is 3721265280703. The next prime is 3721265280737. The reversal of 3721265280723 is 3270825621273.

It is not a de Polignac number, because 3721265280723 - 2²¹ = 3721263183571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3721265280703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327198 + ... + 2747651.

It is an arithmetic number, because the mean of its divisors is an integer number (313035104250).

Almost surely, 2^{3721265280723} is an apocalyptic number.

3721265280723 is a deficient number, since it is larger than the sum of its proper divisors (1287296387277).

3721265280723 is a wasteful number, since it uses less digits than its factorization.

3721265280723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078662.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 3721265280723 in words is "three trillion, seven hundred twenty-one billion, two hundred sixty-five million, two hundred eighty thousand, seven hundred twenty-three".