38387734371503 has 16 divisors (see below), whose sum is σ = 43087913729280. Its totient is φ = 33896785195200.

The previous prime is 38387734371491. The next prime is 38387734371587. The reversal of 38387734371503 is 30517343778383.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38387734371503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38387734371703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187379843 + ... + 187584596.

It is an arithmetic number, because the mean of its divisors is an integer number (2692994608080).

Almost surely, 2^{38387734371503} is an apocalyptic number.

38387734371503 is a deficient number, since it is larger than the sum of its proper divisors (4700179357777).

38387734371503 is a wasteful number, since it uses less digits than its factorization.

38387734371503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374964718.

The product of its (nonzero) digits is 106686720, while the sum is 62.

The spelling of 38387734371503 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred thirty-four million, three hundred seventy-one thousand, five hundred three".