2675142721 has 4 divisors (see below), whose sum is σ = 2676146944. Its totient is φ = 2674138500.

The previous prime is 2675142713. The next prime is 2675142749. The reversal of 2675142721 is 1272415762.

2675142721 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2675142721 - 2³ = 2675142713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2675149721) 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, 498105 + ... + 503446.

It is an arithmetic number, because the mean of its divisors is an integer number (669036736).

Almost surely, 2^2675142721 is an apocalyptic number.

It is an amenable number.

2675142721 is a deficient number, since it is larger than the sum of its proper divisors (1004223).

2675142721 is a wasteful number, since it uses less digits than its factorization.

2675142721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004222.

The product of its digits is 47040, while the sum is 37.

The square root of 2675142721 is about 51721.7818815245. The cubic root of 2675142721 is about 1388.1902367310.

The spelling of 2675142721 in words is "two billion, six hundred seventy-five million, one hundred forty-two thousand, seven hundred twenty-one".