509489967041 has 16 divisors (see below), whose sum is σ = 563724472128. Its totient is φ = 456581836800.

The previous prime is 509489967023. The next prime is 509489967067. The reversal of 509489967041 is 140769984905.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-509489967041 is a prime.

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 a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (509489963041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329281 + ... + 1669121.

It is an arithmetic number, because the mean of its divisors is an integer number (35232779508).

Almost surely, 2^509489967041 is an apocalyptic number.

It is an amenable number.

509489967041 is a deficient number, since it is larger than the sum of its proper divisors (54234505087).

509489967041 is a wasteful number, since it uses less digits than its factorization.

509489967041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341792.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 509489967041 in words is "five hundred nine billion, four hundred eighty-nine million, nine hundred sixty-seven thousand, forty-one".