1478411497 has 4 divisors (see below), whose sum is σ = 1514470356. Its totient is φ = 1442352640.

The previous prime is 1478411491. The next prime is 1478411507. The reversal of 1478411497 is 7941148741.

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

It can be written as a sum of positive squares in 2 ways, for example, as 320983056 + 1157428441 = 17916^2 + 34021^2 .

It is a cyclic number.

It is not a de Polignac number, because 1478411497 - 2²³ = 1470022889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478411491) 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, 18029368 + ... + 18029449.

It is an arithmetic number, because the mean of its divisors is an integer number (378617589).

Almost surely, 2^1478411497 is an apocalyptic number.

It is an amenable number.

1478411497 is a deficient number, since it is larger than the sum of its proper divisors (36058859).

1478411497 is an equidigital number, since it uses as much as digits as its factorization.

1478411497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36058858.

The product of its digits is 225792, while the sum is 46.

The square root of 1478411497 is about 38450.1169959208. The cubic root of 1478411497 is about 1139.1959799597.

The spelling of 1478411497 in words is "one billion, four hundred seventy-eight million, four hundred eleven thousand, four hundred ninety-seven".