509461544613 has 8 divisors (see below), whose sum is σ = 776322353728. Its totient is φ = 291120882624.

The previous prime is 509461544591. The next prime is 509461544621. The reversal of 509461544613 is 316445164905.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 509461544613 - 2⁶ = 509461544549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509461544663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12130036756 + ... + 12130036797.

It is an arithmetic number, because the mean of its divisors is an integer number (97040294216).

Almost surely, 2^509461544613 is an apocalyptic number.

It is an amenable number.

509461544613 is a deficient number, since it is larger than the sum of its proper divisors (266860809115).

509461544613 is a wasteful number, since it uses less digits than its factorization.

509461544613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24260073563.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 509461544613 in words is "five hundred nine billion, four hundred sixty-one million, five hundred forty-four thousand, six hundred thirteen".