509742977075 has 6 divisors (see below), whose sum is σ = 632081291604. Its totient is φ = 407794381640.

The previous prime is 509742977053. The next prime is 509742977087. The reversal of 509742977075 is 570779247905.

It is not a de Polignac number, because 509742977075 - 2¹⁸ = 509742714931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 509742976999 and 509742977017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10194859517 + ... + 10194859566.

It is an arithmetic number, because the mean of its divisors is an integer number (105346881934).

Almost surely, 2^509742977075 is an apocalyptic number.

509742977075 is a deficient number, since it is larger than the sum of its proper divisors (122338314529).

509742977075 is a wasteful number, since it uses less digits than its factorization.

509742977075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20389719093 (or 20389719088 counting only the distinct ones).

The product of its (nonzero) digits is 38896200, while the sum is 62.

The spelling of 509742977075 in words is "five hundred nine billion, seven hundred forty-two million, nine hundred seventy-seven thousand, seventy-five".