19313793308 has 6 divisors (see below), whose sum is σ = 33799138296. Its totient is φ = 9656896652.

The previous prime is 19313793307. The next prime is 19313793337. The reversal of 19313793308 is 80339731391.

It is a happy number.

It is a super-2 number, since 2×19313793308² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19313793307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2414224160 + ... + 2414224167.

It is an arithmetic number, because the mean of its divisors is an integer number (5633189716).

Almost surely, 2^19313793308 is an apocalyptic number.

It is an amenable number.

19313793308 is a deficient number, since it is larger than the sum of its proper divisors (14485344988).

19313793308 is a wasteful number, since it uses less digits than its factorization.

19313793308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828448331 (or 4828448329 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 19313793308 in words is "nineteen billion, three hundred thirteen million, seven hundred ninety-three thousand, three hundred eight".