4866622641 has 40 divisors (see below), whose sum is σ = 7389666504. Its totient is φ = 3191408640.

The previous prime is 4866622619. The next prime is 4866622643. The reversal of 4866622641 is 1462266684.

It can be written as a sum of positive squares in 4 ways, for example, as 149817600 + 4716805041 = 12240^2 + 68679^2 .

It is not a de Polignac number, because 4866622641 - 2⁶ = 4866622577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4866622643) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1252021 + ... + 1255901.

Almost surely, 2^4866622641 is an apocalyptic number.

It is an amenable number.

4866622641 is a deficient number, since it is larger than the sum of its proper divisors (2523043863).

4866622641 is a wasteful number, since it uses less digits than its factorization.

4866622641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143 (or 4134 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 4866622641 is about 69761.1829099823. The cubic root of 4866622641 is about 1694.6339032347.

The spelling of 4866622641 in words is "four billion, eight hundred sixty-six million, six hundred twenty-two thousand, six hundred forty-one".