3138289669 has 2 divisors, whose sum is σ = 3138289670. Its totient is φ = 3138289668.

The previous prime is 3138289663. The next prime is 3138289697. The reversal of 3138289669 is 9669828313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2165785444 + 972504225 = 46538^2 + 31185^2 .

It is a cyclic number.

It is not a de Polignac number, because 3138289669 - 2¹³ = 3138281477 is a prime.

It is a super-2 number, since 2×3138289669² = 19697724093104259122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3138289663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569144834 + 1569144835.

It is an arithmetic number, because the mean of its divisors is an integer number (1569144835).

Almost surely, 2^3138289669 is an apocalyptic number.

It is an amenable number.

3138289669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138289669 is an equidigital number, since it uses as much as digits as its factorization.

3138289669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 55.

The square root of 3138289669 is about 56020.4397430081. The cubic root of 3138289669 is about 1464.0784302904.

The spelling of 3138289669 in words is "three billion, one hundred thirty-eight million, two hundred eighty-nine thousand, six hundred sixty-nine".