1364534473 has 4 divisors (see below), whose sum is σ = 1364628420. Its totient is φ = 1364440528.

The previous prime is 1364534459. The next prime is 1364534527. The reversal of 1364534473 is 3744354631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3744354631 = 631 ⋅5934001.

It can be written as a sum of positive squares in 2 ways, for example, as 835672464 + 528862009 = 28908^2 + 22997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1364534473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1364534453) 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 in 3 ways as a sum of consecutive naturals, for example, 20038 + ... + 55951.

It is an arithmetic number, because the mean of its divisors is an integer number (341157105).

Almost surely, 2^1364534473 is an apocalyptic number.

It is an amenable number.

1364534473 is a deficient number, since it is larger than the sum of its proper divisors (93947).

1364534473 is an equidigital number, since it uses as much as digits as its factorization.

1364534473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93946.

The product of its digits is 362880, while the sum is 40.

The square root of 1364534473 is about 36939.6057504679. The cubic root of 1364534473 is about 1109.1616300223.

The spelling of 1364534473 in words is "one billion, three hundred sixty-four million, five hundred thirty-four thousand, four hundred seventy-three".