319649927093 has 4 divisors (see below), whose sum is σ = 365314202400. Its totient is φ = 273985651788.

The previous prime is 319649927083. The next prime is 319649927123. The reversal of 319649927093 is 390729946913.

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 319649927093 - 2¹⁸ = 319649664949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319649927053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22832137643 + ... + 22832137656.

It is an arithmetic number, because the mean of its divisors is an integer number (91328550600).

Almost surely, 2^319649927093 is an apocalyptic number.

It is an amenable number.

319649927093 is a deficient number, since it is larger than the sum of its proper divisors (45664275307).

319649927093 is an equidigital number, since it uses as much as digits as its factorization.

319649927093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45664275306.

The product of its (nonzero) digits is 19840464, while the sum is 62.

The spelling of 319649927093 in words is "three hundred nineteen billion, six hundred forty-nine million, nine hundred twenty-seven thousand, ninety-three".