509420923893462 has 32 divisors (see below), whose sum is σ = 1164391494220800. Its totient is φ = 145548734018688.

The previous prime is 509420923893457. The next prime is 509420923893481. The reversal of 509420923893462 is 264398329024905.

It is a junction number, because it is equal to n+sod(n) for n = 509420923893393 and 509420923893402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73707214 + ... + 80321822.

It is an arithmetic number, because the mean of its divisors is an integer number (36387234194400).

Almost surely, 2^{509420923893462} is an apocalyptic number.

509420923893462 is an abundant number, since it is smaller than the sum of its proper divisors (654970570327338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509420923893462 is a wasteful number, since it uses less digits than its factorization.

509420923893462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448300.

The product of its (nonzero) digits is 201553920, while the sum is 66.

The spelling of 509420923893462 in words is "five hundred nine trillion, four hundred twenty billion, nine hundred twenty-three million, eight hundred ninety-three thousand, four hundred sixty-two".