1319650589 has 2 divisors, whose sum is σ = 1319650590. Its totient is φ = 1319650588.

The previous prime is 1319650573. The next prime is 1319650601. The reversal of 1319650589 is 9850569131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1264371364 + 55279225 = 35558^2 + 7435^2 .

It is a cyclic number.

It is not a de Polignac number, because 1319650589 - 2⁴ = 1319650573 is a prime.

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 (1319650889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659825294 + 659825295.

It is an arithmetic number, because the mean of its divisors is an integer number (659825295).

Almost surely, 2^1319650589 is an apocalyptic number.

It is an amenable number.

1319650589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319650589 is an equidigital number, since it uses as much as digits as its factorization.

1319650589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 1319650589 is about 36326.9953202849. The cubic root of 1319650589 is about 1096.8645114529.

The spelling of 1319650589 in words is "one billion, three hundred nineteen million, six hundred fifty thousand, five hundred eighty-nine".