2681742195 has 32 divisors (see below), whose sum is σ = 5200957440. Its totient is φ = 1300237920.

The previous prime is 2681742181. The next prime is 2681742199. The reversal of 2681742195 is 5912471862.

2681742195 is a `hidden beast` number, since 268 + 174 + 219 + 5 = 666.

It is not a de Polignac number, because 2681742195 - 2⁴ = 2681742179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2681742195.

It is not an unprimeable number, because it can be changed into a prime (2681742199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 901459 + ... + 904428.

It is an arithmetic number, because the mean of its divisors is an integer number (162529920).

Almost surely, 2^2681742195 is an apocalyptic number.

2681742195 is a deficient number, since it is larger than the sum of its proper divisors (2519215245).

2681742195 is a wasteful number, since it uses less digits than its factorization.

2681742195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805912 (or 1805906 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2681742195 is about 51785.5404046342. The cubic root of 2681742195 is about 1389.3308365782.

The spelling of 2681742195 in words is "two billion, six hundred eighty-one million, seven hundred forty-two thousand, one hundred ninety-five".