38380915399 has 4 divisors (see below), whose sum is σ = 38391982840. Its totient is φ = 38369847960.

The previous prime is 38380915277. The next prime is 38380915409. The reversal of 38380915399 is 99351908383.

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 38380915399 - 2¹³ = 38380907207 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 (38380915799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5528517 + ... + 5535454.

It is an arithmetic number, because the mean of its divisors is an integer number (9597995710).

Almost surely, 2^38380915399 is an apocalyptic number.

38380915399 is a deficient number, since it is larger than the sum of its proper divisors (11067441).

38380915399 is a wasteful number, since it uses less digits than its factorization.

38380915399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11067440.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 38380915399 in words is "thirty-eight billion, three hundred eighty million, nine hundred fifteen thousand, three hundred ninety-nine".