2139410043 has 8 divisors (see below), whose sum is σ = 3169496400. Its totient is φ = 1426273344.

The previous prime is 2139410027. The next prime is 2139410059. The reversal of 2139410043 is 3400149312.

It is an interprime number because it is at equal distance from previous prime (2139410027) and next prime (2139410059).

It is not a de Polignac number, because 2139410043 - 2⁴ = 2139410027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 79237409 = 2139410043 / (2 + 1 + 3 + 9 + 4 + 1 + 0 + 0 + 4 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 2139409989 and 2139410016.

It is not an unprimeable number, because it can be changed into a prime (2139410443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39618678 + ... + 39618731.

It is an arithmetic number, because the mean of its divisors is an integer number (396187050).

Almost surely, 2^2139410043 is an apocalyptic number.

2139410043 is a deficient number, since it is larger than the sum of its proper divisors (1030086357).

2139410043 is an equidigital number, since it uses as much as digits as its factorization.

2139410043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79237418 (or 79237412 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2139410043 is about 46253.7570690209. The cubic root of 2139410043 is about 1288.5403121497.

Adding to 2139410043 its reverse (3400149312), we get a palindrome (5539559355).

The spelling of 2139410043 in words is "two billion, one hundred thirty-nine million, four hundred ten thousand, forty-three".