641323002653 has 16 divisors (see below), whose sum is σ = 713264299776. Its totient is φ = 573531129600.

The previous prime is 641323002641. The next prime is 641323002713. The reversal of 641323002653 is 356200323146.

641323002653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 641323002653 - 2¹² = 641322998557 is a prime.

It is a super-2 number, since 2×641323002653² (a number of 24 digits) 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 (641323002253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5372126 + ... + 5490207.

It is an arithmetic number, because the mean of its divisors is an integer number (44579018736).

Almost surely, 2^641323002653 is an apocalyptic number.

It is an amenable number.

641323002653 is a deficient number, since it is larger than the sum of its proper divisors (71941297123).

641323002653 is a wasteful number, since it uses less digits than its factorization.

641323002653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10862524.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 641323002653 its reverse (356200323146), we get a palindrome (997523325799).

The spelling of 641323002653 in words is "six hundred forty-one billion, three hundred twenty-three million, two thousand, six hundred fifty-three".