38199213827 has 4 divisors (see below), whose sum is σ = 38549665440. Its totient is φ = 37848762216.

The previous prime is 38199213821. The next prime is 38199213929. The reversal of 38199213827 is 72831299183.

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 38199213827 - 2¹² = 38199209731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38199213821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175225643 + ... + 175225860.

It is an arithmetic number, because the mean of its divisors is an integer number (9637416360).

Almost surely, 2^38199213827 is an apocalyptic number.

38199213827 is a deficient number, since it is larger than the sum of its proper divisors (350451613).

38199213827 is a wasteful number, since it uses less digits than its factorization.

38199213827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350451612.

The product of its digits is 1306368, while the sum is 53.

The spelling of 38199213827 in words is "thirty-eight billion, one hundred ninety-nine million, two hundred thirteen thousand, eight hundred twenty-seven".