641376355 has 8 divisors (see below), whose sum is σ = 770220432. Its totient is φ = 512721888.

The previous prime is 641376353. The next prime is 641376371. The reversal of 641376355 is 553673146.

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

It is a cyclic number.

It is not a de Polignac number, because 641376355 - 2¹ = 641376353 is a prime.

It is a super-2 number, since 2×641376355² = 822727257506172050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641376353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39849 + ... + 53578.

It is an arithmetic number, because the mean of its divisors is an integer number (96277554).

Almost surely, 2^641376355 is an apocalyptic number.

641376355 is a deficient number, since it is larger than the sum of its proper divisors (128844077).

641376355 is a wasteful number, since it uses less digits than its factorization.

641376355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94805.

The product of its digits is 226800, while the sum is 40.

The square root of 641376355 is about 25325.4092760611. The cubic root of 641376355 is about 862.3911976456.

It can be divided in two parts, 641 and 376355, that added together give a square (376996 = 614²).

The spelling of 641376355 in words is "six hundred forty-one million, three hundred seventy-six thousand, three hundred fifty-five".