1471972565 has 8 divisors (see below), whose sum is σ = 2018705280. Its totient is φ = 1009352592.

The previous prime is 1471972549. The next prime is 1471972577. The reversal of 1471972565 is 5652791741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1471972565 - 2⁴ = 1471972549 is a prime.

It is a super-2 number, since 2×1471972565² = 4333406464225358450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21028145 + ... + 21028214.

It is an arithmetic number, because the mean of its divisors is an integer number (252338160).

Almost surely, 2^1471972565 is an apocalyptic number.

It is an amenable number.

1471972565 is a deficient number, since it is larger than the sum of its proper divisors (546732715).

1471972565 is an equidigital number, since it uses as much as digits as its factorization.

1471972565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42056371.

The product of its digits is 529200, while the sum is 47.

The square root of 1471972565 is about 38366.2946477765. The cubic root of 1471972565 is about 1137.5397247327.

The spelling of 1471972565 in words is "one billion, four hundred seventy-one million, nine hundred seventy-two thousand, five hundred sixty-five".