3125763681 has 8 divisors (see below), whose sum is σ = 4174420320. Its totient is φ = 2080474752.

The previous prime is 3125763677. The next prime is 3125763689. The reversal of 3125763681 is 1863675213.

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

It is not a de Polignac number, because 3125763681 - 2² = 3125763677 is a prime.

It is a super-2 number, since 2×3125763681² = 19540797178917339522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3125763689) 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, 839760 + ... + 843473.

It is an arithmetic number, because the mean of its divisors is an integer number (521802540).

Almost surely, 2^3125763681 is an apocalyptic number.

It is an amenable number.

3125763681 is a deficient number, since it is larger than the sum of its proper divisors (1048656639).

3125763681 is a wasteful number, since it uses less digits than its factorization.

3125763681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683855.

The product of its digits is 181440, while the sum is 42.

The square root of 3125763681 is about 55908.5295907521. The cubic root of 3125763681 is about 1462.1279536352.

The spelling of 3125763681 in words is "three billion, one hundred twenty-five million, seven hundred sixty-three thousand, six hundred eighty-one".