513434913079244 has 24 divisors (see below), whose sum is σ = 993779426358768. Its totient is φ = 230565366371520.

The previous prime is 513434913079241. The next prime is 513434913079259. The reversal of 513434913079244 is 442970319434315.

It is a super-2 number, since 2×513434913079244² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (513434913079241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133429029542 + ... + 133429033389.

It is an arithmetic number, because the mean of its divisors is an integer number (41407476098282).

Almost surely, 2^{513434913079244} is an apocalyptic number.

It is an amenable number.

513434913079244 is a deficient number, since it is larger than the sum of its proper divisors (480344513279524).

513434913079244 is a wasteful number, since it uses less digits than its factorization.

513434913079244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266858062985 (or 266858062983 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 59.

The spelling of 513434913079244 in words is "five hundred thirteen trillion, four hundred thirty-four billion, nine hundred thirteen million, seventy-nine thousand, two hundred forty-four".