38454371899 has 8 divisors (see below), whose sum is σ = 40136960160. Its totient is φ = 36772671936.

The previous prime is 38454371897. The next prime is 38454371903. The reversal of 38454371899 is 99817345483.

38454371899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38454371899 - 2¹ = 38454371897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38454371897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132834 + ... + 307495.

It is an arithmetic number, because the mean of its divisors is an integer number (5017120020).

Almost surely, 2^38454371899 is an apocalyptic number.

38454371899 is a deficient number, since it is larger than the sum of its proper divisors (1682588261).

38454371899 is a wasteful number, since it uses less digits than its factorization.

38454371899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444149.

The product of its digits is 26127360, while the sum is 61.

The spelling of 38454371899 in words is "thirty-eight billion, four hundred fifty-four million, three hundred seventy-one thousand, eight hundred ninety-nine".