1493857003 has 2 divisors, whose sum is σ = 1493857004. Its totient is φ = 1493857002.

The previous prime is 1493856989. The next prime is 1493857033. The reversal of 1493857003 is 3007583941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1493857003 - 2⁵ = 1493856971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1493857033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746928501 + 746928502.

It is an arithmetic number, because the mean of its divisors is an integer number (746928502).

Almost surely, 2^1493857003 is an apocalyptic number.

1493857003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493857003 is an equidigital number, since it uses as much as digits as its factorization.

1493857003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1493857003 is about 38650.4463492985. The cubic root of 1493857003 is about 1143.1494431128.

The spelling of 1493857003 in words is "one billion, four hundred ninety-three million, eight hundred fifty-seven thousand, three".