641922355 has 8 divisors (see below), whose sum is σ = 771782832. Its totient is φ = 512553888.

The previous prime is 641922343. The next prime is 641922371. The reversal of 641922355 is 553229146.

641922355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-641922355 is a prime.

It is a Duffinian number.

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, 120124 + ... + 125353.

It is an arithmetic number, because the mean of its divisors is an integer number (96472854).

Almost surely, 2^641922355 is an apocalyptic number.

641922355 is a deficient number, since it is larger than the sum of its proper divisors (129860477).

641922355 is a wasteful number, since it uses less digits than its factorization.

641922355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246005.

The product of its digits is 64800, while the sum is 37.

The square root of 641922355 is about 25336.1866704522. The cubic root of 641922355 is about 862.6358444578.

The spelling of 641922355 in words is "six hundred forty-one million, nine hundred twenty-two thousand, three hundred fifty-five".