2485723681 has 8 divisors (see below), whose sum is σ = 2841243264. Its totient is φ = 2130308160.

The previous prime is 2485723679. The next prime is 2485723693. The reversal of 2485723681 is 1863275842.

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 2485723681 - 2¹ = 2485723679 is a prime.

It is a super-2 number, since 2×2485723681² = 12357644436568379522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2485723601) 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, 34596 + ... + 78538.

It is an arithmetic number, because the mean of its divisors is an integer number (355155408).

Almost surely, 2^2485723681 is an apocalyptic number.

It is an amenable number.

2485723681 is a deficient number, since it is larger than the sum of its proper divisors (355519583).

2485723681 is an equidigital number, since it uses as much as digits as its factorization.

2485723681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52031.

The product of its digits is 645120, while the sum is 46.

The square root of 2485723681 is about 49857.0324126898. The cubic root of 2485723681 is about 1354.6204155448.

The spelling of 2485723681 in words is "two billion, four hundred eighty-five million, seven hundred twenty-three thousand, six hundred eighty-one".