8138552995 has 4 divisors (see below), whose sum is σ = 9766263600. Its totient is φ = 6510842392.

The previous prime is 8138552923. The next prime is 8138553019. The reversal of 8138552995 is 5992558318.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8138552995 - 2⁷ = 8138552867 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 813855295 + ... + 813855304.

It is an arithmetic number, because the mean of its divisors is an integer number (2441565900).

Almost surely, 2^8138552995 is an apocalyptic number.

8138552995 is a deficient number, since it is larger than the sum of its proper divisors (1627710605).

8138552995 is a wasteful number, since it uses less digits than its factorization.

8138552995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627710604.

The product of its digits is 3888000, while the sum is 55.

The square root of 8138552995 is about 90213.9290520039. The cubic root of 8138552995 is about 2011.4800609356.

The spelling of 8138552995 in words is "eight billion, one hundred thirty-eight million, five hundred fifty-two thousand, nine hundred ninety-five".