513888020093 has 16 divisors (see below), whose sum is σ = 588341698560. Its totient is φ = 439694966256.

The previous prime is 513888020069. The next prime is 513888020111. The reversal of 513888020093 is 390020888315.

It is not a de Polignac number, because 513888020093 - 2³² = 509593052797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513888020593) 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, 21683096 + ... + 21706782.

It is an arithmetic number, because the mean of its divisors is an integer number (36771356160).

Almost surely, 2^513888020093 is an apocalyptic number.

It is an amenable number.

513888020093 is a deficient number, since it is larger than the sum of its proper divisors (74453678467).

513888020093 is a wasteful number, since it uses less digits than its factorization.

513888020093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29056.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 513888020093 in words is "five hundred thirteen billion, eight hundred eighty-eight million, twenty thousand, ninety-three".