64845454846 has 32 divisors (see below), whose sum is σ = 106206732288. Its totient is φ = 29601443520.

The previous prime is 64845454841. The next prime is 64845454847.

64845454846 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64845454841) 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, 207366 + ... + 415561.

It is an arithmetic number, because the mean of its divisors is an integer number (3318960384).

Almost surely, 2^64845454846 is an apocalyptic number.

64845454846 is a deficient number, since it is larger than the sum of its proper divisors (41361277442).

64845454846 is a wasteful number, since it uses less digits than its factorization.

64845454846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623056.

The product of its digits is 58982400, while the sum is 58.

The spelling of 64845454846 in words is "sixty-four billion, eight hundred forty-five million, four hundred fifty-four thousand, eight hundred forty-six".