2057247047 has 4 divisors (see below), whose sum is σ = 2082033240. Its totient is φ = 2032460856.

The previous prime is 2057247043. The next prime is 2057247077. The reversal of 2057247047 is 7407427502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7407427502 = 2 ⋅3703713751.

It is a cyclic number.

It is not a de Polignac number, because 2057247047 - 2² = 2057247043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057247047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057247043) 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, 12392972 + ... + 12393137.

It is an arithmetic number, because the mean of its divisors is an integer number (520508310).

Almost surely, 2^2057247047 is an apocalyptic number.

2057247047 is a deficient number, since it is larger than the sum of its proper divisors (24786193).

2057247047 is an equidigital number, since it uses as much as digits as its factorization.

2057247047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24786192.

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 2057247047 is about 45356.8853317774. The cubic root of 2057247047 is about 1271.8292706179.

The spelling of 2057247047 in words is "two billion, fifty-seven million, two hundred forty-seven thousand, forty-seven".