2500441897921 has 16 divisors (see below), whose sum is σ = 2847894432768. Its totient is φ = 2173119691600.

The previous prime is 2500441897871. The next prime is 2500441897957. The reversal of 2500441897921 is 1297981440052.

It is not a de Polignac number, because 2500441897921 - 2²³ = 2500433509313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2500441897321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2208175 + ... + 3142756.

It is an arithmetic number, because the mean of its divisors is an integer number (177993402048).

Almost surely, 2^{2500441897921} is an apocalyptic number.

It is an amenable number.

2500441897921 is a deficient number, since it is larger than the sum of its proper divisors (347452534847).

2500441897921 is a wasteful number, since it uses less digits than its factorization.

2500441897921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352812.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 2500441897921 in words is "two trillion, five hundred billion, four hundred forty-one million, eight hundred ninety-seven thousand, nine hundred twenty-one".