1493933141 has 2 divisors, whose sum is σ = 1493933142. Its totient is φ = 1493933140.

The previous prime is 1493933027. The next prime is 1493933171. The reversal of 1493933141 is 1413393941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1411504900 + 82428241 = 37570^2 + 9079^2 .

It is an emirp because it is prime and its reverse (1413393941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1493933141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1493933095 and 1493933104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1493933171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746966570 + 746966571.

It is an arithmetic number, because the mean of its divisors is an integer number (746966571).

Almost surely, 2^1493933141 is an apocalyptic number.

It is an amenable number.

1493933141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493933141 is an equidigital number, since it uses as much as digits as its factorization.

1493933141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 1493933141 is about 38651.4312930323. The cubic root of 1493933141 is about 1143.1688638993.

The spelling of 1493933141 in words is "one billion, four hundred ninety-three million, nine hundred thirty-three thousand, one hundred forty-one".