1478494522427 has 4 divisors (see below), whose sum is σ = 1592224870320. Its totient is φ = 1364764174536.

The previous prime is 1478494522409. The next prime is 1478494522433. The reversal of 1478494522427 is 7242254948741.

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 1478494522427 - 2⁸ = 1478494522171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478494522447) 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, 56865173927 + ... + 56865173952.

It is an arithmetic number, because the mean of its divisors is an integer number (398056217580).

Almost surely, 2^{1478494522427} is an apocalyptic number.

1478494522427 is a deficient number, since it is larger than the sum of its proper divisors (113730347893).

1478494522427 is a wasteful number, since it uses less digits than its factorization.

1478494522427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113730347892.

The product of its digits is 36126720, while the sum is 59.

The spelling of 1478494522427 in words is "one trillion, four hundred seventy-eight billion, four hundred ninety-four million, five hundred twenty-two thousand, four hundred twenty-seven".