503631899046 has 80 divisors (see below), whose sum is σ = 1150337097360. Its totient is φ = 164661163200.

The previous prime is 503631898981. The next prime is 503631899051. The reversal of 503631899046 is 640998136305.

503631899046 is a `hidden beast` number, since 503 + 6 + 3 + 1 + 8 + 9 + 90 + 46 = 666.

It is a super-3 number, since 3×503631899046³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 503631898983 and 503631899001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1606900 + ... + 1894568.

It is an arithmetic number, because the mean of its divisors is an integer number (14379213717).

Almost surely, 2^503631899046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503631899046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575168548680).

503631899046 is an abundant number, since it is smaller than the sum of its proper divisors (646705198314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503631899046 is a wasteful number, since it uses less digits than its factorization.

503631899046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287891 (or 287882 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 503631899046 in words is "five hundred three billion, six hundred thirty-one million, eight hundred ninety-nine thousand, forty-six".