509909893414 has 4 divisors (see below), whose sum is σ = 764864840124. Its totient is φ = 254954946706.

The previous prime is 509909893403. The next prime is 509909893439. The reversal of 509909893414 is 414398909905.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127477473352 + ... + 127477473355.

It is an arithmetic number, because the mean of its divisors is an integer number (191216210031).

Almost surely, 2^509909893414 is an apocalyptic number.

509909893414 is a deficient number, since it is larger than the sum of its proper divisors (254954946710).

509909893414 is a wasteful number, since it uses less digits than its factorization.

509909893414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254954946709.

The product of its (nonzero) digits is 12597120, while the sum is 61.

The spelling of 509909893414 in words is "five hundred nine billion, nine hundred nine million, eight hundred ninety-three thousand, four hundred fourteen".