2354520399 has 16 divisors (see below), whose sum is σ = 3914008320. Its totient is φ = 1223127360.

The previous prime is 2354520379. The next prime is 2354520431. The reversal of 2354520399 is 9930254532.

It is not a de Polignac number, because 2354520399 - 2⁵ = 2354520367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2354520399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2354520359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5096134 + ... + 5096595.

It is an arithmetic number, because the mean of its divisors is an integer number (244625520).

Almost surely, 2^2354520399 is an apocalyptic number.

2354520399 is a deficient number, since it is larger than the sum of its proper divisors (1559487921).

2354520399 is a wasteful number, since it uses less digits than its factorization.

2354520399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192750.

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 2354520399 is about 48523.4005300535. The cubic root of 2354520399 is about 1330.3548149772.

It can be divided in two parts, 2354 and 520399, that added together give a triangular number (522753 = T₁₀₂₂).

The spelling of 2354520399 in words is "two billion, three hundred fifty-four million, five hundred twenty thousand, three hundred ninety-nine".