1383690149 has 2 divisors, whose sum is σ = 1383690150. Its totient is φ = 1383690148.

The previous prime is 1383690131. The next prime is 1383690169. The reversal of 1383690149 is 9410963831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1035681124 + 348009025 = 32182^2 + 18655^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383690149 - 2⁸ = 1383689893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383690109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691845074 + 691845075.

It is an arithmetic number, because the mean of its divisors is an integer number (691845075).

Almost surely, 2^1383690149 is an apocalyptic number.

It is an amenable number.

1383690149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383690149 is an equidigital number, since it uses as much as digits as its factorization.

1383690149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1383690149 is about 37197.9858191274. The cubic root of 1383690149 is about 1114.3277598384.

The spelling of 1383690149 in words is "one billion, three hundred eighty-three million, six hundred ninety thousand, one hundred forty-nine".