2095400681 has 6 divisors (see below), whose sum is σ = 2303209146. Its totient is φ = 1904909600.

The previous prime is 2095400669. The next prime is 2095400683. The reversal of 2095400681 is 1860045902.

It can be written as a sum of positive squares in only one way, i.e., 1541269081 + 554131600 = 39259^2 + 23540^2 .

It is not a de Polignac number, because 2095400681 - 2¹⁴ = 2095384297 is a prime.

It is a super-2 number, since 2×2095400681² = 8781408027870527522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2095400683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8658560 + ... + 8658801.

It is an arithmetic number, because the mean of its divisors is an integer number (383868191).

Almost surely, 2^2095400681 is an apocalyptic number.

It is an amenable number.

2095400681 is a deficient number, since it is larger than the sum of its proper divisors (207808465).

2095400681 is a wasteful number, since it uses less digits than its factorization.

2095400681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17317383 (or 17317372 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2095400681 is about 45775.5467580672. The cubic root of 2095400681 is about 1279.6435940081.

The spelling of 2095400681 in words is "two billion, ninety-five million, four hundred thousand, six hundred eighty-one".