1494209803 has 2 divisors, whose sum is σ = 1494209804. Its totient is φ = 1494209802.

The previous prime is 1494209767. The next prime is 1494209807. The reversal of 1494209803 is 3089024941.

It is a strong prime.

It is an emirp because it is prime and its reverse (3089024941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1494209803 - 2⁹ = 1494209291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1494209807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747104901 + 747104902.

It is an arithmetic number, because the mean of its divisors is an integer number (747104902).

Almost surely, 2^1494209803 is an apocalyptic number.

1494209803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494209803 is an equidigital number, since it uses as much as digits as its factorization.

1494209803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1494209803 is about 38655.0100633799. The cubic root of 1494209803 is about 1143.2394274906.

The spelling of 1494209803 in words is "one billion, four hundred ninety-four million, two hundred nine thousand, eight hundred three".