513621446051 has 16 divisors (see below), whose sum is σ = 591392683200. Its totient is φ = 436953968640.

The previous prime is 513621445969. The next prime is 513621446069. The reversal of 513621446051 is 150644126315.

It is not a de Polignac number, because 513621446051 - 2¹⁴ = 513621429667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513621445996 and 513621446014.

It is not an unprimeable number, because it can be changed into a prime (513621446651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162931 + ... + 1542611.

It is an arithmetic number, because the mean of its divisors is an integer number (36962042700).

Almost surely, 2^513621446051 is an apocalyptic number.

513621446051 is a deficient number, since it is larger than the sum of its proper divisors (77771237149).

513621446051 is a wasteful number, since it uses less digits than its factorization.

513621446051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381134.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 513621446051 in words is "five hundred thirteen billion, six hundred twenty-one million, four hundred forty-six thousand, fifty-one".