38627971601 has 4 divisors (see below), whose sum is σ = 38628566052. Its totient is φ = 38627377152.

The previous prime is 38627971561. The next prime is 38627971607. The reversal of 38627971601 is 10617972683.

It is a Cunningham number, because it is equal to 196540²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 300120976 + 38327850625 = 17324^2 + 195775^2 .

It is a cyclic number.

It is not a de Polignac number, because 38627971601 - 2¹⁴ = 38627955217 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 38627971601.

It is not an unprimeable number, because it can be changed into a prime (38627971607) 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, 185840 + ... + 334353.

It is an arithmetic number, because the mean of its divisors is an integer number (9657141513).

Almost surely, 2^38627971601 is an apocalyptic number.

It is an amenable number.

38627971601 is a deficient number, since it is larger than the sum of its proper divisors (594451).

38627971601 is an equidigital number, since it uses as much as digits as its factorization.

38627971601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594450.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 38627971601 in words is "thirty-eight billion, six hundred twenty-seven million, nine hundred seventy-one thousand, six hundred one".