19340085313 has 4 divisors (see below), whose sum is σ = 20357984560. Its totient is φ = 18322186068.

The previous prime is 19340085311. The next prime is 19340085341. The reversal of 19340085313 is 31358004391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19340085313 - 2¹ = 19340085311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19340085311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508949595 + ... + 508949632.

It is an arithmetic number, because the mean of its divisors is an integer number (5089496140).

Almost surely, 2^19340085313 is an apocalyptic number.

It is an amenable number.

19340085313 is a deficient number, since it is larger than the sum of its proper divisors (1017899247).

19340085313 is a wasteful number, since it uses less digits than its factorization.

19340085313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017899246.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 19340085313 in words is "nineteen billion, three hundred forty million, eighty-five thousand, three hundred thirteen".