503245651543 has 8 divisors (see below), whose sum is σ = 509570334000. Its totient is φ = 496927195008.

The previous prime is 503245651471. The next prime is 503245651631. The reversal of 503245651543 is 345156542305.

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

It is a cyclic number.

It is not a de Polignac number, because 503245651543 - 2²⁵ = 503212097111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503245651543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503245658543) 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, 1393698 + ... + 1717231.

It is an arithmetic number, because the mean of its divisors is an integer number (63696291750).

Almost surely, 2^503245651543 is an apocalyptic number.

503245651543 is a deficient number, since it is larger than the sum of its proper divisors (6324682457).

503245651543 is a wasteful number, since it uses less digits than its factorization.

503245651543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112961.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 503245651543 in words is "five hundred three billion, two hundred forty-five million, six hundred fifty-one thousand, five hundred forty-three".