13219200009 has 6 divisors (see below), whose sum is σ = 19094400026. Its totient is φ = 8812800000.

The previous prime is 13219199999. The next prime is 13219200013. The reversal of 13219200009 is 90000291231.

It can be written as a sum of positive squares in only one way, i.e., 6956060409 + 6263139600 = 83403^2 + 79140^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13219200009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13219200089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 734399992 + ... + 734400009.

Almost surely, 2^13219200009 is an apocalyptic number.

It is an amenable number.

13219200009 is a deficient number, since it is larger than the sum of its proper divisors (5875200017).

13219200009 is a wasteful number, since it uses less digits than its factorization.

13219200009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468800007 (or 1468800004 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 13219200009 in words is "thirteen billion, two hundred nineteen million, two hundred thousand, nine".