1494038459 has 4 divisors (see below), whose sum is σ = 1542233280. Its totient is φ = 1445843640.

The previous prime is 1494038449. The next prime is 1494038471. The reversal of 1494038459 is 9548304941.

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 1494038459 - 2¹⁶ = 1493972923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1494038449) 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, 24097364 + ... + 24097425.

It is an arithmetic number, because the mean of its divisors is an integer number (385558320).

Almost surely, 2^1494038459 is an apocalyptic number.

1494038459 is a deficient number, since it is larger than the sum of its proper divisors (48194821).

1494038459 is an equidigital number, since it uses as much as digits as its factorization.

1494038459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48194820.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 1494038459 is about 38652.7936765249. The cubic root of 1494038459 is about 1143.1957266430.

The spelling of 1494038459 in words is "one billion, four hundred ninety-four million, thirty-eight thousand, four hundred fifty-nine".