2321770681 has 8 divisors (see below), whose sum is σ = 2381271200. Its totient is φ = 2262520512.

The previous prime is 2321770669. The next prime is 2321770691. The reversal of 2321770681 is 1860771232.

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 2321770681 - 2²⁷ = 2187552953 is a prime.

It is a super-2 number, since 2×2321770681² = 10781238190302407522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2321770681.

It is not an unprimeable number, because it can be changed into a prime (2321770601) 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, 43731 + ... + 80968.

It is an arithmetic number, because the mean of its divisors is an integer number (297658900).

Almost surely, 2^2321770681 is an apocalyptic number.

It is an amenable number.

2321770681 is a deficient number, since it is larger than the sum of its proper divisors (59500519).

2321770681 is a wasteful number, since it uses less digits than its factorization.

2321770681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125175.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2321770681 is about 48184.7556909859. The cubic root of 2321770681 is about 1324.1578949115.

The spelling of 2321770681 in words is "two billion, three hundred twenty-one million, seven hundred seventy thousand, six hundred eighty-one".