64130806253641 has 4 divisors (see below), whose sum is σ = 64130885216784. Its totient is φ = 64130727290500.

The previous prime is 64130806253623. The next prime is 64130806253743. The reversal of 64130806253641 is 14635260803146.

64130806253641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64130806253641 - 2⁵ = 64130806253609 is a prime.

It is a super-2 number, since 2×64130806253641² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64130806253141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38250535 + ... + 39891916.

It is an arithmetic number, because the mean of its divisors is an integer number (16032721304196).

Almost surely, 2^{64130806253641} is an apocalyptic number.

It is an amenable number.

64130806253641 is a deficient number, since it is larger than the sum of its proper divisors (78963143).

64130806253641 is an equidigital number, since it uses as much as digits as its factorization.

64130806253641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78963142.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 64130806253641 in words is "sixty-four trillion, one hundred thirty billion, eight hundred six million, two hundred fifty-three thousand, six hundred forty-one".