38646558701 has 2 divisors, whose sum is σ = 38646558702. Its totient is φ = 38646558700.

The previous prime is 38646558667. The next prime is 38646558739. The reversal of 38646558701 is 10785564683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38641337476 + 5221225 = 196574^2 + 2285^2 .

It is an emirp because it is prime and its reverse (10785564683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38646558701 - 2²⁶ = 38579449837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38646558761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19323279350 + 19323279351.

It is an arithmetic number, because the mean of its divisors is an integer number (19323279351).

Almost surely, 2^38646558701 is an apocalyptic number.

It is an amenable number.

38646558701 is a deficient number, since it is larger than the sum of its proper divisors (1).

38646558701 is an equidigital number, since it uses as much as digits as its factorization.

38646558701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 38646558701 in words is "thirty-eight billion, six hundred forty-six million, five hundred fifty-eight thousand, seven hundred one".