1472942809 has 8 divisors (see below), whose sum is σ = 1592281152. Its totient is φ = 1354466640.

The previous prime is 1472942789. The next prime is 1472942813. The reversal of 1472942809 is 9082492741.

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 1472942809 - 2⁵ = 1472942777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1472942309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211987 + ... + 218824.

It is an arithmetic number, because the mean of its divisors is an integer number (199035144).

Almost surely, 2^1472942809 is an apocalyptic number.

It is an amenable number.

1472942809 is a deficient number, since it is larger than the sum of its proper divisors (119338343).

1472942809 is a wasteful number, since it uses less digits than its factorization.

1472942809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431087.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1472942809 is about 38378.9370488553. The cubic root of 1472942809 is about 1137.7896045448.

The spelling of 1472942809 in words is "one billion, four hundred seventy-two million, nine hundred forty-two thousand, eight hundred nine".