513338466669 has 16 divisors (see below), whose sum is σ = 782297751168. Its totient is φ = 293310876672.

The previous prime is 513338466661. The next prime is 513338466713. The reversal of 513338466669 is 966664833315.

It is not a de Polignac number, because 513338466669 - 2³ = 513338466661 is a prime.

It is a super-2 number, since 2×513338466669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513338466661) 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, 808152 + ... + 1296065.

It is an arithmetic number, because the mean of its divisors is an integer number (48893609448).

Almost surely, 2^513338466669 is an apocalyptic number.

It is an amenable number.

513338466669 is a deficient number, since it is larger than the sum of its proper divisors (268959284499).

513338466669 is a wasteful number, since it uses less digits than its factorization.

513338466669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115844.

The product of its digits is 50388480, while the sum is 60.

The spelling of 513338466669 in words is "five hundred thirteen billion, three hundred thirty-eight million, four hundred sixty-six thousand, six hundred sixty-nine".