1478647353 has 4 divisors (see below), whose sum is σ = 1971529808. Its totient is φ = 985764900.

The previous prime is 1478647333. The next prime is 1478647363. The reversal of 1478647353 is 3537468741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3537468741 = 3 ⋅1179156247.

It is not a de Polignac number, because 1478647353 - 2²⁹ = 941776441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1478647333) 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, 246441223 + ... + 246441228.

It is an arithmetic number, because the mean of its divisors is an integer number (492882452).

Almost surely, 2^1478647353 is an apocalyptic number.

It is an amenable number.

1478647353 is a deficient number, since it is larger than the sum of its proper divisors (492882455).

1478647353 is an equidigital number, since it uses as much as digits as its factorization.

1478647353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492882454.

The product of its digits is 1693440, while the sum is 48.

The square root of 1478647353 is about 38453.1839123888. The cubic root of 1478647353 is about 1139.2565566712.

The spelling of 1478647353 in words is "one billion, four hundred seventy-eight million, six hundred forty-seven thousand, three hundred fifty-three".