2326057981 has 4 divisors (see below), whose sum is σ = 2504985532. Its totient is φ = 2147130432.

The previous prime is 2326057967. The next prime is 2326058003. The reversal of 2326057981 is 1897506232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 826045081 + 1500012900 = 28741^2 + 38730^2 .

It is a cyclic number.

It is not a de Polignac number, because 2326057981 - 2¹¹ = 2326055933 is a prime.

It is a super-2 number, since 2×2326057981² = 10821091461947592722, 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 (2326057901) 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, 89463756 + ... + 89463781.

It is an arithmetic number, because the mean of its divisors is an integer number (626246383).

Almost surely, 2^2326057981 is an apocalyptic number.

It is an amenable number.

2326057981 is a deficient number, since it is larger than the sum of its proper divisors (178927551).

2326057981 is a wasteful number, since it uses less digits than its factorization.

2326057981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178927550.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 2326057981 is about 48229.2233091100. The cubic root of 2326057981 is about 1324.9724415296.

The spelling of 2326057981 in words is "two billion, three hundred twenty-six million, fifty-seven thousand, nine hundred eighty-one".