634642362662 has 32 divisors (see below), whose sum is σ = 1256679152640. Its totient is φ = 232718359680.

The previous prime is 634642362637. The next prime is 634642362689. The reversal of 634642362662 is 266263246436.

It is a self number, because there is not a number n which added to its sum of digits gives 634642362662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121204862 + ... + 121210097.

It is an arithmetic number, because the mean of its divisors is an integer number (39271223520).

Almost surely, 2^634642362662 is an apocalyptic number.

634642362662 is a deficient number, since it is larger than the sum of its proper divisors (622036789978).

634642362662 is a wasteful number, since it uses less digits than its factorization.

634642362662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242414996.

The product of its digits is 8957952, while the sum is 50.

The spelling of 634642362662 in words is "six hundred thirty-four billion, six hundred forty-two million, three hundred sixty-two thousand, six hundred sixty-two".