1709020012 has 48 divisors (see below), whose sum is σ = 3455495680. Its totient is φ = 724453632.

The previous prime is 1709019989. The next prime is 1709020021. The reversal of 1709020012 is 2100209071.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1310953 + ... + 1312255.

Almost surely, 2^1709020012 is an apocalyptic number.

It is an amenable number.

1709020012 is an abundant number, since it is smaller than the sum of its proper divisors (1746475668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1709020012 is a wasteful number, since it uses less digits than its factorization.

1709020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1709020012 is about 41340.2952577748. The cubic root of 1709020012 is about 1195.5902995602.

Adding to 1709020012 its reverse (2100209071), we get a palindrome (3809229083).

The spelling of 1709020012 in words is "one billion, seven hundred nine million, twenty thousand, twelve".