503213051093 has 4 divisors (see below), whose sum is σ = 504359322720. Its totient is φ = 502066779468.

The previous prime is 503213051071. The next prime is 503213051111. The reversal of 503213051093 is 390150312305.

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 a cyclic number.

It is not a de Polignac number, because 503213051093 - 2²² = 503208856789 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 (503213051063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573135155 + ... + 573136032.

It is an arithmetic number, because the mean of its divisors is an integer number (126089830680).

Almost surely, 2^503213051093 is an apocalyptic number.

It is an amenable number.

503213051093 is a deficient number, since it is larger than the sum of its proper divisors (1146271627).

503213051093 is a wasteful number, since it uses less digits than its factorization.

503213051093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146271626.

The product of its (nonzero) digits is 12150, while the sum is 32.

Adding to 503213051093 its reverse (390150312305), we get a palindrome (893363363398).

The spelling of 503213051093 in words is "five hundred three billion, two hundred thirteen million, fifty-one thousand, ninety-three".