2523020445439 has 4 divisors (see below), whose sum is σ = 2717098941256. Its totient is φ = 2328941949624.

The previous prime is 2523020445427. The next prime is 2523020445469. The reversal of 2523020445439 is 9345440203252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2523020445439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2523020445395 and 2523020445404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523020445469) 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, 97039247889 + ... + 97039247914.

It is an arithmetic number, because the mean of its divisors is an integer number (679274735314).

Almost surely, 2^{2523020445439} is an apocalyptic number.

2523020445439 is a deficient number, since it is larger than the sum of its proper divisors (194078495817).

2523020445439 is a wasteful number, since it uses less digits than its factorization.

2523020445439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194078495816.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 2523020445439 in words is "two trillion, five hundred twenty-three billion, twenty million, four hundred forty-five thousand, four hundred thirty-nine".