1494038453 has 4 divisors (see below), whose sum is σ = 1498200480. Its totient is φ = 1489876428.

The previous prime is 1494038449. The next prime is 1494038471. The reversal of 1494038453 is 3548304941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1494038453 - 2² = 1494038449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1494038453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494038423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080475 + ... + 2081192.

It is an arithmetic number, because the mean of its divisors is an integer number (374550120).

Almost surely, 2^1494038453 is an apocalyptic number.

It is an amenable number.

1494038453 is a deficient number, since it is larger than the sum of its proper divisors (4162027).

1494038453 is an equidigital number, since it uses as much as digits as its factorization.

1494038453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162026.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 1494038453 is about 38652.7935989108. The cubic root of 1494038453 is about 1143.1957251127.

The spelling of 1494038453 in words is "one billion, four hundred ninety-four million, thirty-eight thousand, four hundred fifty-three".