38609601438 has 16 divisors (see below), whose sum is σ = 78676169616. Its totient is φ = 12627039360.

The previous prime is 38609601431. The next prime is 38609601439. The reversal of 38609601438 is 83410690683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38609601431) 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, 60706603 + ... + 60707238.

It is an arithmetic number, because the mean of its divisors is an integer number (4917260601).

Almost surely, 2^38609601438 is an apocalyptic number.

38609601438 is an abundant number, since it is smaller than the sum of its proper divisors (40066568178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38609601438 is a wasteful number, since it uses less digits than its factorization.

38609601438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121413899.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 38609601438 in words is "thirty-eight billion, six hundred nine million, six hundred one thousand, four hundred thirty-eight".