6464263612121 has 16 divisors (see below), whose sum is σ = 7899750737280. Its totient is φ = 5163235756800.

The previous prime is 6464263612117. The next prime is 6464263612151. The reversal of 6464263612121 is 1212163624646.

It is not a de Polignac number, because 6464263612121 - 2² = 6464263612117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6464263612151) 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, 268906511 + ... + 268930548.

It is an arithmetic number, because the mean of its divisors is an integer number (493734421080).

Almost surely, 2^{6464263612121} is an apocalyptic number.

It is an amenable number.

6464263612121 is a deficient number, since it is larger than the sum of its proper divisors (1435487125159).

6464263612121 is a wasteful number, since it uses less digits than its factorization.

6464263612121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537837184.

The product of its digits is 497664, while the sum is 44.

The spelling of 6464263612121 in words is "six trillion, four hundred sixty-four billion, two hundred sixty-three million, six hundred twelve thousand, one hundred twenty-one".