2744470857 has 16 divisors (see below), whose sum is σ = 3733542720. Its totient is φ = 1792619712.

The previous prime is 2744470853. The next prime is 2744470901. The reversal of 2744470857 is 7580744472.

It is not a de Polignac number, because 2744470857 - 2² = 2744470853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2744470853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105823 + ... + 129179.

It is an arithmetic number, because the mean of its divisors is an integer number (233346420).

Almost surely, 2^2744470857 is an apocalyptic number.

It is an amenable number.

2744470857 is a deficient number, since it is larger than the sum of its proper divisors (989071863).

2744470857 is a wasteful number, since it uses less digits than its factorization.

2744470857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24152.

The product of its (nonzero) digits is 1756160, while the sum is 48.

The square root of 2744470857 is about 52387.6975729989. The cubic root of 2744470857 is about 1400.0800731412.

The spelling of 2744470857 in words is "two billion, seven hundred forty-four million, four hundred seventy thousand, eight hundred fifty-seven".