38155069 has 2 divisors, whose sum is σ = 38155070. Its totient is φ = 38155068.

The previous prime is 38155063. The next prime is 38155081. The reversal of 38155069 is 96055183.

38155069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37027225 + 1127844 = 6085^2 + 1062^2 .

It is a cyclic number.

It is not a de Polignac number, because 38155069 - 2¹³ = 38146877 is a prime.

It is a super-2 number, since 2×38155069² = 2911618580789522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38155063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19077534 + 19077535.

It is an arithmetic number, because the mean of its divisors is an integer number (19077535).

Almost surely, 2^38155069 is an apocalyptic number.

It is an amenable number.

38155069 is a deficient number, since it is larger than the sum of its proper divisors (1).

38155069 is an equidigital number, since it uses as much as digits as its factorization.

38155069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 38155069 is about 6176.9789541490. The cubic root of 38155069 is about 336.6542342020.

The spelling of 38155069 in words is "thirty-eight million, one hundred fifty-five thousand, sixty-nine".