2355981379 has 10 divisors (see below), whose sum is σ = 2463363620. Its totient is φ = 2253279732.

The previous prime is 2355981349. The next prime is 2355981413. The reversal of 2355981379 is 9731895532.

It is not a de Polignac number, because 2355981379 - 2⁵ = 2355981347 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2355981349) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 275632 + ... + 284050.

It is an arithmetic number, because the mean of its divisors is an integer number (246336362).

Almost surely, 2^2355981379 is an apocalyptic number.

2355981379 is a deficient number, since it is larger than the sum of its proper divisors (107382241).

2355981379 is an frugal number, since it uses more digits than its factorization.

2355981379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511 (or 8442 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 52.

The square root of 2355981379 is about 48538.4525814328. The cubic root of 2355981379 is about 1330.6299198225.

The spelling of 2355981379 in words is "two billion, three hundred fifty-five million, nine hundred eighty-one thousand, three hundred seventy-nine".