64255626607645 has 32 divisors (see below), whose sum is σ = 84992951869056. Its totient is φ = 46244528640000.

The previous prime is 64255626607619. The next prime is 64255626607663. The reversal of 64255626607645 is 54670662655246.

It is not a de Polignac number, because 64255626607645 - 2¹³ = 64255626599453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48357145 + ... + 49668145.

It is an arithmetic number, because the mean of its divisors is an integer number (2656029745908).

Almost surely, 2^{64255626607645} is an apocalyptic number.

It is an amenable number.

64255626607645 is a deficient number, since it is larger than the sum of its proper divisors (20737325261411).

64255626607645 is a wasteful number, since it uses less digits than its factorization.

64255626607645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320301.

The product of its (nonzero) digits is 435456000, while the sum is 64.

The spelling of 64255626607645 in words is "sixty-four trillion, two hundred fifty-five billion, six hundred twenty-six million, six hundred seven thousand, six hundred forty-five".