38393890151 has 2 divisors, whose sum is σ = 38393890152. Its totient is φ = 38393890150.

The previous prime is 38393890109. The next prime is 38393890177. The reversal of 38393890151 is 15109839383.

It is a strong prime.

It is an emirp because it is prime and its reverse (15109839383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38393890151 - 2²² = 38389695847 is a prime.

It is a super-3 number, since 3×38393890151³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38393890151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38393890651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19196945075 + 19196945076.

It is an arithmetic number, because the mean of its divisors is an integer number (19196945076).

Almost surely, 2^38393890151 is an apocalyptic number.

38393890151 is a deficient number, since it is larger than the sum of its proper divisors (1).

38393890151 is an equidigital number, since it uses as much as digits as its factorization.

38393890151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 38393890151 in words is "thirty-eight billion, three hundred ninety-three million, eight hundred ninety thousand, one hundred fifty-one".