1504472789 has 4 divisors (see below), whose sum is σ = 1507947756. Its totient is φ = 1500997824.

The previous prime is 1504472741. The next prime is 1504472843. The reversal of 1504472789 is 9872744051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9872744051 = 317 ⋅31144303.

It can be written as a sum of positive squares in 2 ways, for example, as 330039889 + 1174432900 = 18167^2 + 34270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1504472789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1504472719) 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, 1736834 + ... + 1737699.

It is an arithmetic number, because the mean of its divisors is an integer number (376986939).

Almost surely, 2^1504472789 is an apocalyptic number.

It is an amenable number.

1504472789 is a deficient number, since it is larger than the sum of its proper divisors (3474967).

1504472789 is an equidigital number, since it uses as much as digits as its factorization.

1504472789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474966.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 1504472789 is about 38787.5339381095. The cubic root of 1504472789 is about 1145.8509057936.

The spelling of 1504472789 in words is "one billion, five hundred four million, four hundred seventy-two thousand, seven hundred eighty-nine".