1494873899 has 4 divisors (see below), whose sum is σ = 1531334280. Its totient is φ = 1458413520.

The previous prime is 1494873893. The next prime is 1494873943. The reversal of 1494873899 is 9983784941.

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

It is a cyclic number.

It is not a de Polignac number, because 1494873899 - 2⁴ = 1494873883 is a prime.

It is a super-3 number, since 3×1494873899³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1494873893) 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, 18230129 + ... + 18230210.

It is an arithmetic number, because the mean of its divisors is an integer number (382833570).

Almost surely, 2^1494873899 is an apocalyptic number.

1494873899 is a deficient number, since it is larger than the sum of its proper divisors (36460381).

1494873899 is an equidigital number, since it uses as much as digits as its factorization.

1494873899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36460380.

The product of its digits is 15676416, while the sum is 62.

The square root of 1494873899 is about 38663.5991470013. The cubic root of 1494873899 is about 1143.4087719114.

The spelling of 1494873899 in words is "one billion, four hundred ninety-four million, eight hundred seventy-three thousand, eight hundred ninety-nine".