1494044939 has 4 divisors (see below), whose sum is σ = 1545563760. Its totient is φ = 1442526120.

The previous prime is 1494044921. The next prime is 1494044953. The reversal of 1494044939 is 9394404941.

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

It is not a de Polignac number, because 1494044939 - 2¹² = 1494040843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1494044893 and 1494044902.

It is not an unprimeable number, because it can be changed into a prime (1494044339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25759367 + ... + 25759424.

It is an arithmetic number, because the mean of its divisors is an integer number (386390940).

Almost surely, 2^1494044939 is an apocalyptic number.

1494044939 is a deficient number, since it is larger than the sum of its proper divisors (51518821).

1494044939 is an equidigital number, since it uses as much as digits as its factorization.

1494044939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51518820.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 1494044939 is about 38652.8774996118. The cubic root of 1494044939 is about 1143.1973794112.

The spelling of 1494044939 in words is "one billion, four hundred ninety-four million, forty-four thousand, nine hundred thirty-nine".