1478685443 has 2 divisors, whose sum is σ = 1478685444. Its totient is φ = 1478685442.

The previous prime is 1478685413. The next prime is 1478685451. The reversal of 1478685443 is 3445868741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1478685443 - 2¹⁰ = 1478684419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1478685391 and 1478685400.

It is not a weakly prime, because it can be changed into another prime (1478685413) 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 as a sum of consecutive naturals, namely, 739342721 + 739342722.

It is an arithmetic number, because the mean of its divisors is an integer number (739342722).

Almost surely, 2^1478685443 is an apocalyptic number.

1478685443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478685443 is an equidigital number, since it uses as much as digits as its factorization.

1478685443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 50.

The square root of 1478685443 is about 38453.6791867826. The cubic root of 1478685443 is about 1139.2663390148.

The spelling of 1478685443 in words is "one billion, four hundred seventy-eight million, six hundred eighty-five thousand, four hundred forty-three".