2630748138 has 16 divisors (see below), whose sum is σ = 5265501120. Its totient is φ = 876248576.

The previous prime is 2630748103. The next prime is 2630748167. The reversal of 2630748138 is 8318470362.

It is a self number, because there is not a number n which added to its sum of digits gives 2630748138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158295 + ... + 174122.

It is an arithmetic number, because the mean of its divisors is an integer number (329093820).

Almost surely, 2^2630748138 is an apocalyptic number.

2630748138 is an abundant number, since it is smaller than the sum of its proper divisors (2634752982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2630748138 is a wasteful number, since it uses less digits than its factorization.

2630748138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333741.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 2630748138 is about 51290.8192369746. The cubic root of 2630748138 is about 1380.4682542450.

The spelling of 2630748138 in words is "two billion, six hundred thirty million, seven hundred forty-eight thousand, one hundred thirty-eight".