513020356450 has 96 divisors (see below), whose sum is σ = 1110454926336. Its totient is φ = 172705815360.

The previous prime is 513020356439. The next prime is 513020356463. The reversal of 513020356450 is 54653020315.

It is a super-2 number, since 2×513020356450² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4680979 + ... + 4789321.

It is an arithmetic number, because the mean of its divisors is an integer number (11567238816).

Almost surely, 2^513020356450 is an apocalyptic number.

513020356450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513020356450 is an abundant number, since it is smaller than the sum of its proper divisors (597434569886).

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

513020356450 is a wasteful number, since it uses less digits than its factorization.

513020356450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108608 (or 108603 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 513020356450 its reverse (54653020315), we get a palindrome (567673376765).

The spelling of 513020356450 in words is "five hundred thirteen billion, twenty million, three hundred fifty-six thousand, four hundred fifty".