19200000002 has 4 divisors (see below), whose sum is σ = 28800000006. Its totient is φ = 9600000000.

The previous prime is 19199999981. The next prime is 19200000019. The reversal of 19200000002 is 20000000291.

19200000002 = 79999² + 80000² + 80001².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18558340441 + 641659561 = 136229^2 + 25331^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4799999999 + ... + 4800000002.

Almost surely, 2^19200000002 is an apocalyptic number.

19200000002 is a deficient number, since it is larger than the sum of its proper divisors (9600000004).

19200000002 is an equidigital number, since it uses as much as digits as its factorization.

19200000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9600000003.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 19200000002 its reverse (20000000291), we get a palindrome (39200000293).

The spelling of 19200000002 in words is "nineteen billion, two hundred million, two", and thus it is an aban number.