2103504399 has 12 divisors (see below), whose sum is σ = 3170499696. Its totient is φ = 1341364992.

The previous prime is 2103504397. The next prime is 2103504407. The reversal of 2103504399 is 9934053012.

It is a happy number.

2103504399 is a `hidden beast` number, since 210 + 3 + 5 + 0 + 439 + 9 = 666.

It is not a de Polignac number, because 2103504399 - 2¹ = 2103504397 is a prime.

It is a super-2 number, since 2×2103504399² = 8849461513224702402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103504391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5080722 + ... + 5081135.

It is an arithmetic number, because the mean of its divisors is an integer number (264208308).

Almost surely, 2^2103504399 is an apocalyptic number.

2103504399 is a deficient number, since it is larger than the sum of its proper divisors (1066995297).

2103504399 is a wasteful number, since it uses less digits than its factorization.

2103504399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161886 (or 10161883 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 2103504399 is about 45863.9771389268. The cubic root of 2103504399 is about 1281.2910961587.

The spelling of 2103504399 in words is "two billion, one hundred three million, five hundred four thousand, three hundred ninety-nine".