64650634341 has 4 divisors (see below), whose sum is σ = 86200845792. Its totient is φ = 43100422892.

The previous prime is 64650634331. The next prime is 64650634343. The reversal of 64650634341 is 14343605646.

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 64650634341 - 2¹⁰ = 64650633317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64650634293 and 64650634302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64650634343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10775105721 + ... + 10775105726.

It is an arithmetic number, because the mean of its divisors is an integer number (21550211448).

Almost surely, 2^64650634341 is an apocalyptic number.

It is an amenable number.

64650634341 is a deficient number, since it is larger than the sum of its proper divisors (21550211451).

64650634341 is a wasteful number, since it uses less digits than its factorization.

64650634341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21550211450.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 64650634341 in words is "sixty-four billion, six hundred fifty million, six hundred thirty-four thousand, three hundred forty-one".