505268289386 has 16 divisors (see below), whose sum is σ = 866183819136. Its totient is φ = 216541150416.

The previous prime is 505268289367. The next prime is 505268289401. The reversal of 505268289386 is 683982862505.

It is a super-3 number, since 3×505268289386³ (a number of 36 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787435 + ... + 2050721.

It is an arithmetic number, because the mean of its divisors is an integer number (54136488696).

Almost surely, 2^505268289386 is an apocalyptic number.

505268289386 is a deficient number, since it is larger than the sum of its proper divisors (360915529750).

505268289386 is a wasteful number, since it uses less digits than its factorization.

505268289386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400373.

The product of its (nonzero) digits is 49766400, while the sum is 62.

The spelling of 505268289386 in words is "five hundred five billion, two hundred sixty-eight million, two hundred eighty-nine thousand, three hundred eighty-six".