64276109549653 has 4 divisors (see below), whose sum is σ = 64300282590880. Its totient is φ = 64251936508428.

The previous prime is 64276109549647. The next prime is 64276109549699. The reversal of 64276109549653 is 35694590167246.

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 64276109549653 - 2¹⁷ = 64276109418581 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 (64276109540653) 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, 12086516625 + ... + 12086521942.

It is an arithmetic number, because the mean of its divisors is an integer number (16075070647720).

Almost surely, 2^{64276109549653} is an apocalyptic number.

It is an amenable number.

64276109549653 is a deficient number, since it is larger than the sum of its proper divisors (24173041227).

64276109549653 is a wasteful number, since it uses less digits than its factorization.

64276109549653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24173041226.

The product of its (nonzero) digits is 293932800, while the sum is 67.

The spelling of 64276109549653 in words is "sixty-four trillion, two hundred seventy-six billion, one hundred nine million, five hundred forty-nine thousand, six hundred fifty-three".