641277288199 has 4 divisors (see below), whose sum is σ = 675028724440. Its totient is φ = 607525851960.

The previous prime is 641277288097. The next prime is 641277288227. The reversal of 641277288199 is 991882772146.

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

It is not a de Polignac number, because 641277288199 - 2¹⁵ = 641277255431 is a prime.

It is a super-2 number, since 2×641277288199² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 641277288199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641277588199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16875718092 + ... + 16875718129.

It is an arithmetic number, because the mean of its divisors is an integer number (168757181110).

Almost surely, 2^641277288199 is an apocalyptic number.

641277288199 is a deficient number, since it is larger than the sum of its proper divisors (33751436241).

641277288199 is a wasteful number, since it uses less digits than its factorization.

641277288199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33751436240.

The product of its digits is 24385536, while the sum is 64.

The spelling of 641277288199 in words is "six hundred forty-one billion, two hundred seventy-seven million, two hundred eighty-eight thousand, one hundred ninety-nine".