503872035357 has 4 divisors (see below), whose sum is σ = 671829380480. Its totient is φ = 335914690236.

The previous prime is 503872035353. The next prime is 503872035379. The reversal of 503872035357 is 753530278305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 503872035357 - 2² = 503872035353 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 (503872035353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83978672557 + ... + 83978672562.

It is an arithmetic number, because the mean of its divisors is an integer number (167957345120).

Almost surely, 2^503872035357 is an apocalyptic number.

It is an amenable number.

503872035357 is a deficient number, since it is larger than the sum of its proper divisors (167957345123).

503872035357 is a wasteful number, since it uses less digits than its factorization.

503872035357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167957345122.

The product of its (nonzero) digits is 2646000, while the sum is 48.

The spelling of 503872035357 in words is "five hundred three billion, eight hundred seventy-two million, thirty-five thousand, three hundred fifty-seven".