38744064603871 has 4 divisors (see below), whose sum is σ = 42266252295144. Its totient is φ = 35221876912600.

The previous prime is 38744064603833. The next prime is 38744064603913. The reversal of 38744064603871 is 17830646044783.

It is a happy number.

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 38744064603871 - 2⁷ = 38744064603743 is a prime.

It is a super-2 number, since 2×38744064603871² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38744065603871) 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, 1761093845620 + ... + 1761093845641.

It is an arithmetic number, because the mean of its divisors is an integer number (10566563073786).

Almost surely, 2^{38744064603871} is an apocalyptic number.

38744064603871 is a deficient number, since it is larger than the sum of its proper divisors (3522187691273).

38744064603871 is a wasteful number, since it uses less digits than its factorization.

38744064603871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522187691272.

The product of its (nonzero) digits is 65028096, while the sum is 61.

The spelling of 38744064603871 in words is "thirty-eight trillion, seven hundred forty-four billion, sixty-four million, six hundred three thousand, eight hundred seventy-one".