19783401379 has 8 divisors (see below), whose sum is σ = 22632424448. Its totient is φ = 16940084040.

The previous prime is 19783401317. The next prime is 19783401383. The reversal of 19783401379 is 97310438791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19783401379 - 2¹⁹ = 19782877091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19783401389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418997 + ... + 1432870.

It is an arithmetic number, because the mean of its divisors is an integer number (2829053056).

Almost surely, 2^19783401379 is an apocalyptic number.

19783401379 is a deficient number, since it is larger than the sum of its proper divisors (2849023069).

19783401379 is an equidigital number, since it uses as much as digits as its factorization.

19783401379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852865.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 19783401379 in words is "nineteen billion, seven hundred eighty-three million, four hundred one thousand, three hundred seventy-nine".