503474306643 has 72 divisors (see below), whose sum is σ = 920228740704. Its totient is φ = 259635467520.

The previous prime is 503474306633. The next prime is 503474306659. The reversal of 503474306643 is 346603474305.

503474306643 is a `hidden beast` number, since 50 + 3 + 474 + 30 + 66 + 43 = 666.

It is not a de Polignac number, because 503474306643 - 2¹² = 503474302547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503474306603) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 803305 + ... + 1285397.

It is an arithmetic number, because the mean of its divisors is an integer number (12780954732).

Almost surely, 2^503474306643 is an apocalyptic number.

503474306643 is a deficient number, since it is larger than the sum of its proper divisors (416754434061).

503474306643 is a wasteful number, since it uses less digits than its factorization.

503474306643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482265 (or 482251 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 45.

The spelling of 503474306643 in words is "five hundred three billion, four hundred seventy-four million, three hundred six thousand, six hundred forty-three".