64883072122645 has 32 divisors (see below), whose sum is σ = 91560529336320. Its totient is φ = 43213794926400.

The previous prime is 64883072122511. The next prime is 64883072122667. The reversal of 64883072122645 is 54622127038846.

It is not a de Polignac number, because 64883072122645 - 2³³ = 64874482188053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64883072122645.

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, 120154281 + ... + 120693070.

It is an arithmetic number, because the mean of its divisors is an integer number (2861266541760).

Almost surely, 2^{64883072122645} is an apocalyptic number.

It is an amenable number.

64883072122645 is a deficient number, since it is larger than the sum of its proper divisors (26677457213675).

64883072122645 is a wasteful number, since it uses less digits than its factorization.

64883072122645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240847585.

The product of its (nonzero) digits is 30965760, while the sum is 58.

The spelling of 64883072122645 in words is "sixty-four trillion, eight hundred eighty-three billion, seventy-two million, one hundred twenty-two thousand, six hundred forty-five".