2801442139 has 2 divisors, whose sum is σ = 2801442140. Its totient is φ = 2801442138.

The previous prime is 2801442107. The next prime is 2801442143. The reversal of 2801442139 is 9312441082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2801442139 - 2⁵ = 2801442107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2801442179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400721069 + 1400721070.

It is an arithmetic number, because the mean of its divisors is an integer number (1400721070).

Almost surely, 2^2801442139 is an apocalyptic number.

2801442139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2801442139 is an equidigital number, since it uses as much as digits as its factorization.

2801442139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2801442139 is about 52928.6513997854. The cubic root of 2801442139 is about 1409.7016854605.

The spelling of 2801442139 in words is "two billion, eight hundred one million, four hundred forty-two thousand, one hundred thirty-nine".