1930398937219 has 4 divisors (see below), whose sum is σ = 1939547747560. Its totient is φ = 1921250126880.

The previous prime is 1930398937199. The next prime is 1930398937223. The reversal of 1930398937219 is 9127398930391.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1930398937219 - 2³⁹ = 1380643123331 is a prime.

It is a super-2 number, since 2×1930398937219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1930398137219) 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 3 ways as a sum of consecutive naturals, for example, 4574404854 + ... + 4574405275.

It is an arithmetic number, because the mean of its divisors is an integer number (484886936890).

Almost surely, 2^{1930398937219} is an apocalyptic number.

1930398937219 is a deficient number, since it is larger than the sum of its proper divisors (9148810341).

1930398937219 is an equidigital number, since it uses as much as digits as its factorization.

1930398937219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148810340.

The product of its (nonzero) digits is 19840464, while the sum is 64.

The spelling of 1930398937219 in words is "one trillion, nine hundred thirty billion, three hundred ninety-eight million, nine hundred thirty-seven thousand, two hundred nineteen".