2102344213399 has 4 divisors (see below), whose sum is σ = 2151235939336. Its totient is φ = 2053452487464.

The previous prime is 2102344213397. The next prime is 2102344213439. The reversal of 2102344213399 is 9933124432012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102344213399 - 2¹ = 2102344213397 is a prime.

It is a super-2 number, since 2×2102344213399² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 48891725893 = 2102344213399 / (2 + 1 + 0 + 2 + 3 + 4 + 4 + 2 + 1 + 3 + 3 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102344213391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24445862904 + ... + 24445862989.

It is an arithmetic number, because the mean of its divisors is an integer number (537808984834).

Almost surely, 2^{2102344213399} is an apocalyptic number.

2102344213399 is a deficient number, since it is larger than the sum of its proper divisors (48891725937).

2102344213399 is an equidigital number, since it uses as much as digits as its factorization.

2102344213399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48891725936.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 2102344213399 in words is "two trillion, one hundred two billion, three hundred forty-four million, two hundred thirteen thousand, three hundred ninety-nine".