19268358608 has 40 divisors (see below), whose sum is σ = 38065876128. Its totient is φ = 9445185152.

The previous prime is 19268358601. The next prime is 19268358649. The reversal of 19268358608 is 80685386291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19268358601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202135 + ... + 1218057.

Almost surely, 2^19268358608 is an apocalyptic number.

It is an amenable number.

19268358608 is a deficient number, since it is larger than the sum of its proper divisors (18797517520).

19268358608 is a wasteful number, since it uses less digits than its factorization.

19268358608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17411 (or 17405 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 19268358608 in words is "nineteen billion, two hundred sixty-eight million, three hundred fifty-eight thousand, six hundred eight".