38242221475739 has 2 divisors, whose sum is σ = 38242221475740. Its totient is φ = 38242221475738.

The previous prime is 38242221475729. The next prime is 38242221475901. The reversal of 38242221475739 is 93757412224283.

It is a weak prime.

It is an emirp because it is prime and its reverse (93757412224283) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38242221475739 is a prime.

It is a super-2 number, since 2×38242221475739² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38242221475729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19121110737869 + 19121110737870.

It is an arithmetic number, because the mean of its divisors is an integer number (19121110737870).

Almost surely, 2^{38242221475739} is an apocalyptic number.

38242221475739 is a deficient number, since it is larger than the sum of its proper divisors (1).

38242221475739 is an equidigital number, since it uses as much as digits as its factorization.

38242221475739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 59.

The spelling of 38242221475739 in words is "thirty-eight trillion, two hundred forty-two billion, two hundred twenty-one million, four hundred seventy-five thousand, seven hundred thirty-nine".