4442257957 has 2 divisors, whose sum is σ = 4442257958. Its totient is φ = 4442257956.

The previous prime is 4442257951. The next prime is 4442257987. The reversal of 4442257957 is 7597522444.

4442257957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2338109316 + 2104148641 = 48354^2 + 45871^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442257957 - 2¹⁵ = 4442225189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4442257957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4442257951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221128978 + 2221128979.

It is an arithmetic number, because the mean of its divisors is an integer number (2221128979).

Almost surely, 2^4442257957 is an apocalyptic number.

It is an amenable number.

4442257957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442257957 is an equidigital number, since it uses as much as digits as its factorization.

4442257957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 49.

The square root of 4442257957 is about 66650.2659934677. The cubic root of 4442257957 is about 1643.8717215745.

The spelling of 4442257957 in words is "four billion, four hundred forty-two million, two hundred fifty-seven thousand, nine hundred fifty-seven".