502109673064 has 8 divisors (see below), whose sum is σ = 941455637010. Its totient is φ = 251054836528.

The previous prime is 502109673047. The next prime is 502109673089. The reversal of 502109673064 is 460376901205.

It can be written as a sum of positive squares in only one way, i.e., 465765300900 + 36344372164 = 682470^2 + 190642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×502109673064² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 502109673064.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 31381854559 + ... + 31381854574.

Almost surely, 2^502109673064 is an apocalyptic number.

It is an amenable number.

502109673064 is a deficient number, since it is larger than the sum of its proper divisors (439345963946).

502109673064 is a wasteful number, since it uses less digits than its factorization.

502109673064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62763709139 (or 62763709135 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 502109673064 in words is "five hundred two billion, one hundred nine million, six hundred seventy-three thousand, sixty-four".