19330298137 has 4 divisors (see below), whose sum is σ = 20467374516. Its totient is φ = 18193221760.

The previous prime is 19330298123. The next prime is 19330298173. The reversal of 19330298137 is 73189203391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73189203391 = 16229 ⋅4509779.

It can be written as a sum of positive squares in 2 ways, for example, as 16275635776 + 3054662361 = 127576^2 + 55269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19330298137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19330298107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568538164 + ... + 568538197.

It is an arithmetic number, because the mean of its divisors is an integer number (5116843629).

Almost surely, 2^19330298137 is an apocalyptic number.

19330298137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

19330298137 is a deficient number, since it is larger than the sum of its proper divisors (1137076379).

19330298137 is a wasteful number, since it uses less digits than its factorization.

19330298137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137076378.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 19330298137 in words is "nineteen billion, three hundred thirty million, two hundred ninety-eight thousand, one hundred thirty-seven".