641127365 has 8 divisors (see below), whose sum is σ = 770703648. Its totient is φ = 512001360.

The previous prime is 641127349. The next prime is 641127367. The reversal of 641127365 is 563721146.

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

It is not a de Polignac number, because 641127365 - 2⁴ = 641127349 is a prime.

It is a super-2 number, since 2×641127365² = 822088596303686450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641127367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109427 + ... + 115136.

It is an arithmetic number, because the mean of its divisors is an integer number (96337956).

Almost surely, 2^641127365 is an apocalyptic number.

It is an amenable number.

641127365 is a deficient number, since it is larger than the sum of its proper divisors (129576283).

641127365 is a wasteful number, since it uses less digits than its factorization.

641127365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225139.

The product of its digits is 30240, while the sum is 35.

The square root of 641127365 is about 25320.4929849322. The cubic root of 641127365 is about 862.2795863297.

The spelling of 641127365 in words is "six hundred forty-one million, one hundred twenty-seven thousand, three hundred sixty-five".