1478494522429 has 4 divisors (see below), whose sum is σ = 1518453833884. Its totient is φ = 1438535210976.

The previous prime is 1478494522409. The next prime is 1478494522433. The reversal of 1478494522429 is 9242254948741.

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 1436227274329 + 42267248100 = 1198427^2 + 205590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1478494522429 - 2¹⁹ = 1478493998141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478494522409) 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, 19979655672 + ... + 19979655745.

It is an arithmetic number, because the mean of its divisors is an integer number (379613458471).

Almost surely, 2^{1478494522429} is an apocalyptic number.

It is an amenable number.

1478494522429 is a deficient number, since it is larger than the sum of its proper divisors (39959311455).

1478494522429 is an equidigital number, since it uses as much as digits as its factorization.

1478494522429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39959311454.

The product of its digits is 46448640, while the sum is 61.

The spelling of 1478494522429 in words is "one trillion, four hundred seventy-eight billion, four hundred ninety-four million, five hundred twenty-two thousand, four hundred twenty-nine".