38453669 has 2 divisors, whose sum is σ = 38453670. Its totient is φ = 38453668.

The previous prime is 38453659. The next prime is 38453687. The reversal of 38453669 is 96635483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33988900 + 4464769 = 5830^2 + 2113^2 .

It is a cyclic number.

It is not a de Polignac number, because 38453669 - 2⁸ = 38453413 is a prime.

It is a super-2 number, since 2×38453669² = 2957369319123122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38453659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19226834 + 19226835.

It is an arithmetic number, because the mean of its divisors is an integer number (19226835).

Almost surely, 2^38453669 is an apocalyptic number.

It is an amenable number.

38453669 is a deficient number, since it is larger than the sum of its proper divisors (1).

38453669 is an equidigital number, since it uses as much as digits as its factorization.

38453669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 44.

The square root of 38453669 is about 6201.1022407311. The cubic root of 38453669 is about 337.5301672166.

The spelling of 38453669 in words is "thirty-eight million, four hundred fifty-three thousand, six hundred sixty-nine".