2561427373 has 8 divisors (see below), whose sum is σ = 2696829120. Its totient is φ = 2426084640.

The previous prime is 2561427371. The next prime is 2561427391. The reversal of 2561427373 is 3737241652.

2561427373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2561427373 - 2¹ = 2561427371 is a prime.

It is a super-2 number, since 2×2561427373² = 13121820374307362258, which contains 22 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 (2561427371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95568 + ... + 119398.

It is an arithmetic number, because the mean of its divisors is an integer number (337103640).

Almost surely, 2^2561427373 is an apocalyptic number.

It is an amenable number.

2561427373 is a deficient number, since it is larger than the sum of its proper divisors (135401747).

2561427373 is a wasteful number, since it uses less digits than its factorization.

2561427373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29507.

The product of its digits is 211680, while the sum is 40.

The square root of 2561427373 is about 50610.5460650248. The cubic root of 2561427373 is about 1368.2349573419.

The spelling of 2561427373 in words is "two billion, five hundred sixty-one million, four hundred twenty-seven thousand, three hundred seventy-three".