1493041379 has 2 divisors, whose sum is σ = 1493041380. Its totient is φ = 1493041378.

The previous prime is 1493041351. The next prime is 1493041391. The reversal of 1493041379 is 9731403941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1493041379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1493043379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746520689 + 746520690.

It is an arithmetic number, because the mean of its divisors is an integer number (746520690).

Almost surely, 2^1493041379 is an apocalyptic number.

1493041379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493041379 is an equidigital number, since it uses as much as digits as its factorization.

1493041379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1493041379 is about 38639.8936204540. The cubic root of 1493041379 is about 1142.9413576313.

The spelling of 1493041379 in words is "one billion, four hundred ninety-three million, forty-one thousand, three hundred seventy-nine".