2500444331013 has 16 divisors (see below), whose sum is σ = 3344301576000. Its totient is φ = 1661777339520.

The previous prime is 2500444331003. The next prime is 2500444331029. The reversal of 2500444331013 is 3101334440052.

It is not a de Polignac number, because 2500444331013 - 2¹³ = 2500444322821 is a prime.

It is a super-2 number, since 2×2500444331013² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500444331003) 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, 3991393 + ... + 4575161.

It is an arithmetic number, because the mean of its divisors is an integer number (209018848500).

Almost surely, 2^{2500444331013} is an apocalyptic number.

It is an amenable number.

2500444331013 is a deficient number, since it is larger than the sum of its proper divisors (843857244987).

2500444331013 is a wasteful number, since it uses less digits than its factorization.

2500444331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588212.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 2500444331013 its reverse (3101334440052), we get a palindrome (5601778771065).

The spelling of 2500444331013 in words is "two trillion, five hundred billion, four hundred forty-four million, three hundred thirty-one thousand, thirteen".