19377799093 has 8 divisors (see below), whose sum is σ = 19525498560. Its totient is φ = 19230190560.

The previous prime is 19377799081. The next prime is 19377799123. The reversal of 19377799093 is 39099777391.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19377799093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19377799033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440848 + ... + 482806.

It is an arithmetic number, because the mean of its divisors is an integer number (2440687320).

Almost surely, 2^19377799093 is an apocalyptic number.

It is an amenable number.

19377799093 is a deficient number, since it is larger than the sum of its proper divisors (147699467).

19377799093 is a wasteful number, since it uses less digits than its factorization.

19377799093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45467.

The product of its (nonzero) digits is 20253807, while the sum is 64.

The spelling of 19377799093 in words is "nineteen billion, three hundred seventy-seven million, seven hundred ninety-nine thousand, ninety-three".