2638542095 has 16 divisors (see below), whose sum is σ = 3634113600. Its totient is φ = 1801515264.

The previous prime is 2638542073. The next prime is 2638542163. The reversal of 2638542095 is 5902458362.

It is a cyclic number.

It is not a de Polignac number, because 2638542095 - 2⁶ = 2638542031 is a prime.

It is a super-3 number, since 3×2638542095³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 153620 + ... + 169929.

It is an arithmetic number, because the mean of its divisors is an integer number (227132100).

Almost surely, 2^2638542095 is an apocalyptic number.

2638542095 is a deficient number, since it is larger than the sum of its proper divisors (995571505).

2638542095 is a wasteful number, since it uses less digits than its factorization.

2638542095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323794.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 2638542095 is about 51366.7411366538. The cubic root of 2638542095 is about 1381.8301865150.

The spelling of 2638542095 in words is "two billion, six hundred thirty-eight million, five hundred forty-two thousand, ninety-five".