38961392204201 has 2 divisors, whose sum is σ = 38961392204202. Its totient is φ = 38961392204200.

The previous prime is 38961392204183. The next prime is 38961392204239. The reversal of 38961392204201 is 10240229316983.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26896919378176 + 12064472826025 = 5186224^2 + 3473395^2 .

It is an emirp because it is prime and its reverse (10240229316983) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38961392204201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38961392204201.

It is not a weakly prime, because it can be changed into another prime (38961392204291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19480696102100 + 19480696102101.

It is an arithmetic number, because the mean of its divisors is an integer number (19480696102101).

Almost surely, 2^{38961392204201} is an apocalyptic number.

It is an amenable number.

38961392204201 is a deficient number, since it is larger than the sum of its proper divisors (1).

38961392204201 is an equidigital number, since it uses as much as digits as its factorization.

38961392204201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 38961392204201 in words is "thirty-eight trillion, nine hundred sixty-one billion, three hundred ninety-two million, two hundred four thousand, two hundred one".