38688537604435 has 4 divisors (see below), whose sum is σ = 46426245125328. Its totient is φ = 30950830083544.

The previous prime is 38688537604417. The next prime is 38688537604447. The reversal of 38688537604435 is 53440673588683.

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 38688537604435 - 2¹³ = 38688537596243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868853760439 + ... + 3868853760448.

It is an arithmetic number, because the mean of its divisors is an integer number (11606561281332).

Almost surely, 2^{38688537604435} is an apocalyptic number.

38688537604435 is a deficient number, since it is larger than the sum of its proper divisors (7737707520893).

38688537604435 is an equidigital number, since it uses as much as digits as its factorization.

38688537604435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737707520892.

The product of its (nonzero) digits is 1393459200, while the sum is 70.

The spelling of 38688537604435 in words is "thirty-eight trillion, six hundred eighty-eight billion, five hundred thirty-seven million, six hundred four thousand, four hundred thirty-five".