19008253206 has 32 divisors (see below), whose sum is σ = 42247046880. Its totient is φ = 6335111808.

The previous prime is 19008253183. The next prime is 19008253219. The reversal of 19008253206 is 60235280091.

It is a super-2 number, since 2×19008253206² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 385930 + ... + 432386.

It is an arithmetic number, because the mean of its divisors is an integer number (1320220215).

Almost surely, 2^19008253206 is an apocalyptic number.

19008253206 is an abundant number, since it is smaller than the sum of its proper divisors (23238793674).

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

19008253206 is a wasteful number, since it uses less digits than its factorization.

19008253206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54045 (or 54039 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 19008253206 in words is "nineteen billion, eight million, two hundred fifty-three thousand, two hundred six".