4461646461644 has 12 divisors (see below), whose sum is σ = 7825506325224. Its totient is φ = 2225787511584.

The previous prime is 4461646461619. The next prime is 4461646461647.

4461646461644 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 4461646461644.

It is not an unprimeable number, because it can be changed into a prime (4461646461647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258927817 + ... + 1258931360.

It is an arithmetic number, because the mean of its divisors is an integer number (652125527102).

Almost surely, 2^{4461646461644} is an apocalyptic number.

It is an amenable number.

4461646461644 is a deficient number, since it is larger than the sum of its proper divisors (3363859863580).

4461646461644 is a wasteful number, since it uses less digits than its factorization.

4461646461644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517859624 (or 2517859622 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 56.

The spelling of 4461646461644 in words is "four trillion, four hundred sixty-one billion, six hundred forty-six million, four hundred sixty-one thousand, six hundred forty-four".