64026262655 has 4 divisors (see below), whose sum is σ = 76831515192. Its totient is φ = 51221010120.

The previous prime is 64026262649. The next prime is 64026262661. The reversal of 64026262655 is 55626262046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55626262046 = 2 ⋅27813131023.

It is an interprime number because it is at equal distance from previous prime (64026262649) and next prime (64026262661).

It is not a de Polignac number, because 64026262655 - 2⁴ = 64026262639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6402626261 + ... + 6402626270.

It is an arithmetic number, because the mean of its divisors is an integer number (19207878798).

Almost surely, 2^64026262655 is an apocalyptic number.

64026262655 is a deficient number, since it is larger than the sum of its proper divisors (12805252537).

64026262655 is a wasteful number, since it uses less digits than its factorization.

64026262655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12805252536.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 64026262655 in words is "sixty-four billion, twenty-six million, two hundred sixty-two thousand, six hundred fifty-five".