2057447479 has 2 divisors, whose sum is σ = 2057447480. Its totient is φ = 2057447478.

The previous prime is 2057447461. The next prime is 2057447501. The reversal of 2057447479 is 9747447502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2057447479 - 2¹¹ = 2057445431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057442479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028723739 + 1028723740.

It is an arithmetic number, because the mean of its divisors is an integer number (1028723740).

Almost surely, 2^2057447479 is an apocalyptic number.

2057447479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057447479 is an equidigital number, since it uses as much as digits as its factorization.

2057447479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The square root of 2057447479 is about 45359.0947771227. The cubic root of 2057447479 is about 1271.8705729020.

The spelling of 2057447479 in words is "two billion, fifty-seven million, four hundred forty-seven thousand, four hundred seventy-nine".