1494349819 has 4 divisors (see below), whose sum is σ = 1526144544. Its totient is φ = 1462555096.

The previous prime is 1494349799. The next prime is 1494349841. The reversal of 1494349819 is 9189434941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1494349819 is a prime.

It is a super-2 number, since 2×1494349819² = 4466162763090665522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1494349849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15897292 + ... + 15897385.

It is an arithmetic number, because the mean of its divisors is an integer number (381536136).

Almost surely, 2^1494349819 is an apocalyptic number.

1494349819 is a deficient number, since it is larger than the sum of its proper divisors (31794725).

1494349819 is an equidigital number, since it uses as much as digits as its factorization.

1494349819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31794724.

The product of its digits is 1119744, while the sum is 52.

The square root of 1494349819 is about 38656.8211186590. The cubic root of 1494349819 is about 1143.2751357318.

The spelling of 1494349819 in words is "one billion, four hundred ninety-four million, three hundred forty-nine thousand, eight hundred nineteen".