513606436442 has 32 divisors (see below), whose sum is σ = 863154273600. Its totient is φ = 227228224000.

The previous prime is 513606436429. The next prime is 513606436451. The reversal of 513606436442 is 244634606315.

It is a junction number, because it is equal to n+sod(n) for n = 513606436393 and 513606436402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827767 + ... + 2089962.

It is an arithmetic number, because the mean of its divisors is an integer number (26973571050).

Almost surely, 2^513606436442 is an apocalyptic number.

513606436442 is a deficient number, since it is larger than the sum of its proper divisors (349547837158).

513606436442 is a wasteful number, since it uses less digits than its factorization.

513606436442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917902.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 513606436442 in words is "five hundred thirteen billion, six hundred six million, four hundred thirty-six thousand, four hundred forty-two".