509722641448 has 32 divisors (see below), whose sum is σ = 1018502242560. Its totient is φ = 238593572800.

The previous prime is 509722641383. The next prime is 509722641479. The reversal of 509722641448 is 844146227905.

It is a junction number, because it is equal to n+sod(n) for n = 509722641395 and 509722641404.

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 7 ways as a sum of consecutive naturals, for example, 29461903 + ... + 29479198.

It is an arithmetic number, because the mean of its divisors is an integer number (31828195080).

Almost surely, 2^509722641448 is an apocalyptic number.

It is an amenable number.

509722641448 is a deficient number, since it is larger than the sum of its proper divisors (508779601112).

509722641448 is a wasteful number, since it uses less digits than its factorization.

509722641448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58941177 (or 58941173 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 509722641448 in words is "five hundred nine billion, seven hundred twenty-two million, six hundred forty-one thousand, four hundred forty-eight".