64851265622 has 32 divisors (see below), whose sum is σ = 116156877984. Its totient is φ = 26764243200.

The previous prime is 64851265621. The next prime is 64851265637. The reversal of 64851265622 is 22656215846.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64851265621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1841183 + ... + 1876074.

It is an arithmetic number, because the mean of its divisors is an integer number (3629902437).

Almost surely, 2^64851265622 is an apocalyptic number.

64851265622 is a deficient number, since it is larger than the sum of its proper divisors (51305612362).

64851265622 is a wasteful number, since it uses less digits than its factorization.

64851265622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717344.

The product of its digits is 1382400, while the sum is 47.

The spelling of 64851265622 in words is "sixty-four billion, eight hundred fifty-one million, two hundred sixty-five thousand, six hundred twenty-two".