38749662559 has 4 divisors (see below), whose sum is σ = 38823754216. Its totient is φ = 38675570904.

The previous prime is 38749662517. The next prime is 38749662583. The reversal of 38749662559 is 95526694783.

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 38749662559 - 2¹⁵ = 38749629791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38749662559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38749662599) 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, 37045044 + ... + 37046089.

It is an arithmetic number, because the mean of its divisors is an integer number (9705938554).

Almost surely, 2^38749662559 is an apocalyptic number.

38749662559 is a deficient number, since it is larger than the sum of its proper divisors (74091657).

38749662559 is an equidigital number, since it uses as much as digits as its factorization.

38749662559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74091656.

The product of its digits is 97977600, while the sum is 64.

The spelling of 38749662559 in words is "thirty-eight billion, seven hundred forty-nine million, six hundred sixty-two thousand, five hundred fifty-nine".