64353376261 has 8 divisors (see below), whose sum is σ = 65038922784. Its totient is φ = 63669387600.

The previous prime is 64353376247. The next prime is 64353376267. The reversal of 64353376261 is 16267335346.

It is a happy number.

64353376261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64353376261 - 2⁵ = 64353376229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64353376267) 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, 306315 + ... + 471736.

It is an arithmetic number, because the mean of its divisors is an integer number (8129865348).

Almost surely, 2^64353376261 is an apocalyptic number.

It is an amenable number.

64353376261 is a deficient number, since it is larger than the sum of its proper divisors (685546523).

64353376261 is a wasteful number, since it uses less digits than its factorization.

64353376261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778931.

The product of its digits is 1632960, while the sum is 46.

The spelling of 64353376261 in words is "sixty-four billion, three hundred fifty-three million, three hundred seventy-six thousand, two hundred sixty-one".