2751142657 has 4 divisors (see below), whose sum is σ = 2912974596. Its totient is φ = 2589310720.

The previous prime is 2751142633. The next prime is 2751142661. The reversal of 2751142657 is 7562411572.

2751142657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2273763856 + 477378801 = 47684^2 + 21849^2 .

It is a cyclic number.

It is not a de Polignac number, because 2751142657 - 2³¹ = 603659009 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2751122657) 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, 80915944 + ... + 80915977.

It is an arithmetic number, because the mean of its divisors is an integer number (728243649).

Almost surely, 2^2751142657 is an apocalyptic number.

It is an amenable number.

2751142657 is a deficient number, since it is larger than the sum of its proper divisors (161831939).

2751142657 is a wasteful number, since it uses less digits than its factorization.

2751142657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161831938.

The product of its digits is 117600, while the sum is 40.

The square root of 2751142657 is about 52451.3360840313. The cubic root of 2751142657 is about 1401.2136851156.

The spelling of 2751142657 in words is "two billion, seven hundred fifty-one million, one hundred forty-two thousand, six hundred fifty-seven".