4641623866 has 16 divisors (see below), whose sum is σ = 8042172480. Its totient is φ = 1985721280.

The previous prime is 4641623851. The next prime is 4641623879. The reversal of 4641623866 is 6683261464.

It is a super-2 number, since 2×4641623866² = 43089344226841571912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6205006 + ... + 6205753.

It is an arithmetic number, because the mean of its divisors is an integer number (502635780).

Almost surely, 2^4641623866 is an apocalyptic number.

4641623866 is a deficient number, since it is larger than the sum of its proper divisors (3400548614).

4641623866 is a wasteful number, since it uses less digits than its factorization.

4641623866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12410789.

The product of its digits is 995328, while the sum is 46.

The square root of 4641623866 is about 68129.4640078725. The cubic root of 4641623866 is about 1668.1047338519.

It can be divided in two parts, 464162 and 3866, that added together give a triangular number (468028 = T₉₆₇).

The spelling of 4641623866 in words is "four billion, six hundred forty-one million, six hundred twenty-three thousand, eight hundred sixty-six".