388942075201 has 2 divisors, whose sum is σ = 388942075202. Its totient is φ = 388942075200.

The previous prime is 388942075199. The next prime is 388942075211. The reversal of 388942075201 is 102570249883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388938075201 + 4000000 = 623649^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 388942075201 - 2¹ = 388942075199 is a prime.

Together with 388942075199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (388942075211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194471037600 + 194471037601.

It is an arithmetic number, because the mean of its divisors is an integer number (194471037601).

Almost surely, 2^388942075201 is an apocalyptic number.

It is an amenable number.

388942075201 is a deficient number, since it is larger than the sum of its proper divisors (1).

388942075201 is an equidigital number, since it uses as much as digits as its factorization.

388942075201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 388942075201 in words is "three hundred eighty-eight billion, nine hundred forty-two million, seventy-five thousand, two hundred one".