38693641069 has 2 divisors, whose sum is σ = 38693641070. Its totient is φ = 38693641068.

The previous prime is 38693641033. The next prime is 38693641081. The reversal of 38693641069 is 96014639683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38558035044 + 135606025 = 196362^2 + 11645^2 .

It is a cyclic number.

It is not a de Polignac number, because 38693641069 - 2¹⁵ = 38693608301 is a prime.

It is a super-2 number, since 2×38693641069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38693641009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19346820534 + 19346820535.

It is an arithmetic number, because the mean of its divisors is an integer number (19346820535).

Almost surely, 2^38693641069 is an apocalyptic number.

It is an amenable number.

38693641069 is a deficient number, since it is larger than the sum of its proper divisors (1).

38693641069 is an equidigital number, since it uses as much as digits as its factorization.

38693641069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 38693641069 in words is "thirty-eight billion, six hundred ninety-three million, six hundred forty-one thousand, sixty-nine".