1472249809 has 8 divisors (see below), whose sum is σ = 1478541312. Its totient is φ = 1465972560.

The previous prime is 1472249783. The next prime is 1472249879. The reversal of 1472249809 is 9089422741.

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 1472249809 - 2⁵ = 1472249777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1472249879) 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, 236592 + ... + 242734.

It is an arithmetic number, because the mean of its divisors is an integer number (184817664).

Almost surely, 2^1472249809 is an apocalyptic number.

It is an amenable number.

1472249809 is a deficient number, since it is larger than the sum of its proper divisors (6291503).

1472249809 is an equidigital number, since it uses as much as digits as its factorization.

1472249809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127.

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

The square root of 1472249809 is about 38369.9075969698. The cubic root of 1472249809 is about 1137.6111382615.

The spelling of 1472249809 in words is "one billion, four hundred seventy-two million, two hundred forty-nine thousand, eight hundred nine".