38208287075149 has 2 divisors, whose sum is σ = 38208287075150. Its totient is φ = 38208287075148.

The previous prime is 38208287075099. The next prime is 38208287075291. The reversal of 38208287075149 is 94157078280283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22464993075625 + 15743293999524 = 4739725^2 + 3967782^2 .

It is a cyclic number.

It is not a de Polignac number, because 38208287075149 - 2¹⁷ = 38208286944077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38208287075549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19104143537574 + 19104143537575.

It is an arithmetic number, because the mean of its divisors is an integer number (19104143537575).

Almost surely, 2^{38208287075149} is an apocalyptic number.

It is an amenable number.

38208287075149 is a deficient number, since it is larger than the sum of its proper divisors (1).

38208287075149 is an equidigital number, since it uses as much as digits as its factorization.

38208287075149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 38208287075149 in words is "thirty-eight trillion, two hundred eight billion, two hundred eighty-seven million, seventy-five thousand, one hundred forty-nine".