1493242159 has 2 divisors, whose sum is σ = 1493242160. Its totient is φ = 1493242158.

The previous prime is 1493242057. The next prime is 1493242211. The reversal of 1493242159 is 9512423941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1493242159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1493242259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746621079 + 746621080.

It is an arithmetic number, because the mean of its divisors is an integer number (746621080).

Almost surely, 2^1493242159 is an apocalyptic number.

1493242159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493242159 is an equidigital number, since it uses as much as digits as its factorization.

1493242159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 1493242159 is about 38642.4916251527. The cubic root of 1493242159 is about 1142.9925885133.

The spelling of 1493242159 in words is "one billion, four hundred ninety-three million, two hundred forty-two thousand, one hundred fifty-nine".