1479723609 has 96 divisors (see below), whose sum is σ = 2548531200. Its totient is φ = 762810048.

The previous prime is 1479723569. The next prime is 1479723613. The reversal of 1479723609 is 9063279741.

It is a happy number.

It is not a de Polignac number, because 1479723609 - 2¹³ = 1479715417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479723659) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11651304 + ... + 11651430.

It is an arithmetic number, because the mean of its divisors is an integer number (26547200).

Almost surely, 2^1479723609 is an apocalyptic number.

It is an amenable number.

1479723609 is a deficient number, since it is larger than the sum of its proper divisors (1068807591).

1479723609 is a wasteful number, since it uses less digits than its factorization.

1479723609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 1479723609 is about 38467.1757346442. The cubic root of 1479723609 is about 1139.5328980486.

The spelling of 1479723609 in words is "one billion, four hundred seventy-nine million, seven hundred twenty-three thousand, six hundred nine".