519777081093 has 16 divisors (see below), whose sum is σ = 703152789696. Its totient is φ = 341480747520.

The previous prime is 519777081071. The next prime is 519777081119. The reversal of 519777081093 is 390180777915.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-519777081093 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 (519777081023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2530188 + ... + 2727893.

It is an arithmetic number, because the mean of its divisors is an integer number (43947049356).

Almost surely, 2^519777081093 is an apocalyptic number.

It is an amenable number.

519777081093 is a deficient number, since it is larger than the sum of its proper divisors (183375708603).

519777081093 is a wasteful number, since it uses less digits than its factorization.

519777081093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258564.

The product of its (nonzero) digits is 3333960, while the sum is 57.

The spelling of 519777081093 in words is "five hundred nineteen billion, seven hundred seventy-seven million, eighty-one thousand, ninety-three".