4665138690 has 32 divisors (see below), whose sum is σ = 11434556160. Its totient is φ = 1217567744.

The previous prime is 4665138683. The next prime is 4665138697. The reversal of 4665138690 is 968315664.

It is an interprime number because it is at equal distance from previous prime (4665138683) and next prime (4665138697).

It is a super-2 number, since 2×4665138690² = 43527037993869832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4665138697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652895 + ... + 1655714.

It is an arithmetic number, because the mean of its divisors is an integer number (357329880).

Almost surely, 2^4665138690 is an apocalyptic number.

4665138690 is an abundant number, since it is smaller than the sum of its proper divisors (6769417470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4665138690 is a wasteful number, since it uses less digits than its factorization.

4665138690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308666.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 4665138690 is about 68301.8205467468. The cubic root of 4665138690 is about 1670.9169059772.

The spelling of 4665138690 in words is "four billion, six hundred sixty-five million, one hundred thirty-eight thousand, six hundred ninety".