605251357643 has 4 divisors (see below), whose sum is σ = 607501362960. Its totient is φ = 603001352328.

The previous prime is 605251357589. The next prime is 605251357681. The reversal of 605251357643 is 346753152506.

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

It is a cyclic number.

It is not a de Polignac number, because 605251357643 - 2¹² = 605251353547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605251350643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125002255 + ... + 1125002792.

It is an arithmetic number, because the mean of its divisors is an integer number (151875340740).

Almost surely, 2^605251357643 is an apocalyptic number.

605251357643 is a deficient number, since it is larger than the sum of its proper divisors (2250005317).

605251357643 is a wasteful number, since it uses less digits than its factorization.

605251357643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250005316.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 605251357643 in words is "six hundred five billion, two hundred fifty-one million, three hundred fifty-seven thousand, six hundred forty-three".