605640378874 has 4 divisors (see below), whose sum is σ = 908460568314. Its totient is φ = 302820189436.

The previous prime is 605640378857. The next prime is 605640378883. The reversal of 605640378874 is 478873046506.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 326375691849 + 279264687025 = 571293^2 + 528455^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151410094717 + ... + 151410094720.

Almost surely, 2^605640378874 is an apocalyptic number.

605640378874 is a deficient number, since it is larger than the sum of its proper divisors (302820189440).

605640378874 is a wasteful number, since it uses less digits than its factorization.

605640378874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302820189439.

The product of its (nonzero) digits is 27095040, while the sum is 58.

The spelling of 605640378874 in words is "six hundred five billion, six hundred forty million, three hundred seventy-eight thousand, eight hundred seventy-four".