509054344977 has 8 divisors (see below), whose sum is σ = 694523757664. Its totient is φ = 331477247808.

The previous prime is 509054344963. The next prime is 509054344979. The reversal of 509054344977 is 779443450905.

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 509054344977 - 2⁷ = 509054344849 is a prime.

It is a super-2 number, since 2×509054344977² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (509054344979) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1973078728 + ... + 1973078985.

It is an arithmetic number, because the mean of its divisors is an integer number (86815469708).

Almost surely, 2^509054344977 is an apocalyptic number.

It is an amenable number.

509054344977 is a deficient number, since it is larger than the sum of its proper divisors (185469412687).

509054344977 is a wasteful number, since it uses less digits than its factorization.

509054344977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946157759.

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 509054344977 in words is "five hundred nine billion, fifty-four million, three hundred forty-four thousand, nine hundred seventy-seven".