2674243157 has 4 divisors (see below), whose sum is σ = 2831551596. Its totient is φ = 2516934720.

The previous prime is 2674243139. The next prime is 2674243171. The reversal of 2674243157 is 7513424762.

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 1328894116 + 1345349041 = 36454^2 + 36679^2 .

It is a cyclic number.

It is not a de Polignac number, because 2674243157 - 2²⁰ = 2673194581 is a prime.

It is a super-2 number, since 2×2674243157² = 14303152925522653298, 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 (2674243127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78654194 + ... + 78654227.

It is an arithmetic number, because the mean of its divisors is an integer number (707887899).

Almost surely, 2^2674243157 is an apocalyptic number.

It is an amenable number.

2674243157 is a deficient number, since it is larger than the sum of its proper divisors (157308439).

2674243157 is a wasteful number, since it uses less digits than its factorization.

2674243157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157308438.

The product of its digits is 282240, while the sum is 41.

The square root of 2674243157 is about 51713.0849688935. The cubic root of 2674243157 is about 1388.0346181227.

It can be divided in two parts, 267 and 4243157, that added together give a palindrome (4243424).

The spelling of 2674243157 in words is "two billion, six hundred seventy-four million, two hundred forty-three thousand, one hundred fifty-seven".