2025555684479 has 4 divisors (see below), whose sum is σ = 2068652613984. Its totient is φ = 1982458754976.

The previous prime is 2025555684433. The next prime is 2025555684491. The reversal of 2025555684479 is 9744865555202.

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-2025555684479 is a prime.

It is a super-3 number, since 3×2025555684479³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025555680479) 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, 21548464682 + ... + 21548464775.

It is an arithmetic number, because the mean of its divisors is an integer number (517163153496).

Almost surely, 2^{2025555684479} is an apocalyptic number.

2025555684479 is a deficient number, since it is larger than the sum of its proper divisors (43096929505).

2025555684479 is an equidigital number, since it uses as much as digits as its factorization.

2025555684479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43096929504.

The product of its (nonzero) digits is 120960000, while the sum is 62.

The spelling of 2025555684479 in words is "two trillion, twenty-five billion, five hundred fifty-five million, six hundred eighty-four thousand, four hundred seventy-nine".