1614391489 has 2 divisors, whose sum is σ = 1614391490. Its totient is φ = 1614391488.

The previous prime is 1614391481. The next prime is 1614391543. The reversal of 1614391489 is 9841934161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1078005889 + 536385600 = 32833^2 + 23160^2 .

It is a cyclic number.

It is not a de Polignac number, because 1614391489 - 2³ = 1614391481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1614391481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807195744 + 807195745.

It is an arithmetic number, because the mean of its divisors is an integer number (807195745).

Almost surely, 2^1614391489 is an apocalyptic number.

It is an amenable number.

1614391489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1614391489 is an equidigital number, since it uses as much as digits as its factorization.

1614391489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 46.

The square root of 1614391489 is about 40179.4909002093. The cubic root of 1614391489 is about 1173.1033809131.

The spelling of 1614391489 in words is "one billion, six hundred fourteen million, three hundred ninety-one thousand, four hundred eighty-nine".