2457783389 has 6 divisors (see below), whose sum is σ = 2482621146. Its totient is φ = 2432955600.

The previous prime is 2457783371. The next prime is 2457783407. The reversal of 2457783389 is 9833877542.

It is an interprime number because it is at equal distance from previous prime (2457783371) and next prime (2457783407).

It can be written as a sum of positive squares in 3 ways, for example, as 550277764 + 1907505625 = 23458^2 + 43675^2 .

It is not a de Polignac number, because 2457783389 - 2²⁴ = 2441006173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457783319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495767 + ... + 500699.

It is an arithmetic number, because the mean of its divisors is an integer number (413770191).

Almost surely, 2^2457783389 is an apocalyptic number.

It is an amenable number.

2457783389 is a deficient number, since it is larger than the sum of its proper divisors (24837757).

2457783389 is an frugal number, since it uses more digits than its factorization.

2457783389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967 (or 5034 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The square root of 2457783389 is about 49576.0364389894. The cubic root of 2457783389 is about 1349.5258305474.

The spelling of 2457783389 in words is "two billion, four hundred fifty-seven million, seven hundred eighty-three thousand, three hundred eighty-nine".