2047949057 has 32 divisors (see below), whose sum is σ = 2705875200. Its totient is φ = 1503129600.

The previous prime is 2047949053. The next prime is 2047949083. The reversal of 2047949057 is 7509497402.

It is not a de Polignac number, because 2047949057 - 2² = 2047949053 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2047949051) 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, 80369 + ... + 102737.

It is an arithmetic number, because the mean of its divisors is an integer number (84558600).

Almost surely, 2^2047949057 is an apocalyptic number.

It is an amenable number.

2047949057 is a deficient number, since it is larger than the sum of its proper divisors (657926143).

2047949057 is a wasteful number, since it uses less digits than its factorization.

2047949057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22457.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 2047949057 is about 45254.2711464896. The cubic root of 2047949057 is about 1269.9103119336.

The spelling of 2047949057 in words is "two billion, forty-seven million, nine hundred forty-nine thousand, fifty-seven".