500505687645442 has 16 divisors (see below), whose sum is σ = 790279223016960. Its totient is φ = 237079516127472.

The previous prime is 500505687645407. The next prime is 500505687645463. The reversal of 500505687645442 is 244546786505005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54739938 + ... + 63225565.

It is an arithmetic number, because the mean of its divisors is an integer number (49392451438560).

Almost surely, 2^{500505687645442} is an apocalyptic number.

500505687645442 is a deficient number, since it is larger than the sum of its proper divisors (289773535371518).

500505687645442 is a wasteful number, since it uses less digits than its factorization.

500505687645442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118077177.

The product of its (nonzero) digits is 161280000, while the sum is 61.

The spelling of 500505687645442 in words is "five hundred trillion, five hundred five billion, six hundred eighty-seven million, six hundred forty-five thousand, four hundred forty-two".