1478134452773 has 12 divisors (see below), whose sum is σ = 1627376831724. Its totient is φ = 1341566424000.

The previous prime is 1478134452763. The next prime is 1478134452799. The reversal of 1478134452773 is 3772544318741.

It can be written as a sum of positive squares in 2 ways, for example, as 542877187204 + 935257265569 = 736802^2 + 967087^2 .

It is not a de Polignac number, because 1478134452773 - 2²⁰ = 1478133404197 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 (1478134452763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9889928 + ... + 10038273.

It is an arithmetic number, because the mean of its divisors is an integer number (135614735977).

Almost surely, 2^{1478134452773} is an apocalyptic number.

It is an amenable number.

1478134452773 is a deficient number, since it is larger than the sum of its proper divisors (149242378951).

1478134452773 is a wasteful number, since it uses less digits than its factorization.

1478134452773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19928836 (or 19928825 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 56.

The spelling of 1478134452773 in words is "one trillion, four hundred seventy-eight billion, one hundred thirty-four million, four hundred fifty-two thousand, seven hundred seventy-three".