503145436446350 has 48 divisors (see below), whose sum is σ = 956064408461568. Its totient is φ = 196913807766240.

The previous prime is 503145436446319. The next prime is 503145436446371. The reversal of 503145436446350 is 53644634541305.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 503145436446292 and 503145436446301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26412104 + ... + 41278203.

It is an arithmetic number, because the mean of its divisors is an integer number (19918008509616).

Almost surely, 2^{503145436446350} is an apocalyptic number.

503145436446350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

503145436446350 is a deficient number, since it is larger than the sum of its proper divisors (452918972015218).

503145436446350 is a wasteful number, since it uses less digits than its factorization.

503145436446350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67693529 (or 67693524 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 53.

The spelling of 503145436446350 in words is "five hundred three trillion, one hundred forty-five billion, four hundred thirty-six million, four hundred forty-six thousand, three hundred fifty".