2357782249 has 9 divisors (see below), whose sum is σ = 2401339773. Its totient is φ = 2315003532.

The previous prime is 2357782247. The next prime is 2357782253. The reversal of 2357782249 is 9422877532.

The square root of 2357782249 is 48557.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2357782249 - 2¹ = 2357782247 is a prime.

It is a Duffinian number.

Its product of digits (1693440) is a multiple of the sum of its prime divisors (882).

It is not an unprimeable number, because it can be changed into a prime (2357782247) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2864452 + ... + 2865274.

Almost surely, 2^2357782249 is an apocalyptic number.

2357782249 is the 48557-th square number.

2357782249 is the 24279-th centered octagonal number.

It is an amenable number.

2357782249 is a deficient number, since it is larger than the sum of its proper divisors (43557524).

2357782249 is an frugal number, since it uses more digits than its factorization.

2357782249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 882 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The cubic root of 2357782249 is about 1330.9688700399.

Multiplying 2357782249 by its sum of digits (49), we get a square (115531330201 = 339899²).

The spelling of 2357782249 in words is "two billion, three hundred fifty-seven million, seven hundred eighty-two thousand, two hundred forty-nine".