2630808139 has 2 divisors, whose sum is σ = 2630808140. Its totient is φ = 2630808138.

The previous prime is 2630808119. The next prime is 2630808197. The reversal of 2630808139 is 9318080362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2630808139 - 2¹³ = 2630799947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2630808119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315404069 + 1315404070.

It is an arithmetic number, because the mean of its divisors is an integer number (1315404070).

Almost surely, 2^2630808139 is an apocalyptic number.

2630808139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2630808139 is an equidigital number, since it uses as much as digits as its factorization.

2630808139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2630808139 is about 51291.4041433845. The cubic root of 2630808139 is about 1380.4787492122.

The spelling of 2630808139 in words is "two billion, six hundred thirty million, eight hundred eight thousand, one hundred thirty-nine".