4621640461264 has 10 divisors (see below), whose sum is σ = 8954428393730. Its totient is φ = 2310820230624.

The previous prime is 4621640461213. The next prime is 4621640461267.

4621640461264 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 2666061964864 + 1955578496400 = 1632808^2 + 1398420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621640461267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144426264399 + ... + 144426264430.

It is an arithmetic number, because the mean of its divisors is an integer number (895442839373).

Almost surely, 2^{4621640461264} is an apocalyptic number.

It is an amenable number.

4621640461264 is a deficient number, since it is larger than the sum of its proper divisors (4332787932466).

4621640461264 is a wasteful number, since it uses less digits than its factorization.

4621640461264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288852528837 (or 288852528831 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 4621640461264 in words is "four trillion, six hundred twenty-one billion, six hundred forty million, four hundred sixty-one thousand, two hundred sixty-four".