503363253405 has 16 divisors (see below), whose sum is σ = 808723041984. Its totient is φ = 267346456320.

The previous prime is 503363253277. The next prime is 503363253433. The reversal of 503363253405 is 504352363305.

It is a happy number.

It is not a de Polignac number, because 503363253405 - 2⁷ = 503363253277 is a prime.

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, 69617859 + ... + 69625088.

It is an arithmetic number, because the mean of its divisors is an integer number (50545190124).

Almost surely, 2^503363253405 is an apocalyptic number.

It is an amenable number.

503363253405 is a deficient number, since it is larger than the sum of its proper divisors (305359788579).

503363253405 is a wasteful number, since it uses less digits than its factorization.

503363253405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139243196.

The product of its (nonzero) digits is 486000, while the sum is 39.

The spelling of 503363253405 in words is "five hundred three billion, three hundred sixty-three million, two hundred fifty-three thousand, four hundred five".