4645664101 has 4 divisors (see below), whose sum is σ = 5003022892. Its totient is φ = 4288305312.

The previous prime is 4645664083. The next prime is 4645664117. The reversal of 4645664101 is 1014665464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2554797025 + 2090867076 = 50545^2 + 45726^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645664101 - 2³¹ = 2498180453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645664201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178679376 + ... + 178679401.

It is an arithmetic number, because the mean of its divisors is an integer number (1250755723).

Almost surely, 2^4645664101 is an apocalyptic number.

It is an amenable number.

4645664101 is a deficient number, since it is larger than the sum of its proper divisors (357358791).

4645664101 is a wasteful number, since it uses less digits than its factorization.

4645664101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357358790.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 4645664101 is about 68159.1087162970. The cubic root of 4645664101 is about 1668.5885861146.

It can be divided in two parts, 4645 and 664101, that added together give a triangular number (668746 = T₁₁₅₆).

The spelling of 4645664101 in words is "four billion, six hundred forty-five million, six hundred sixty-four thousand, one hundred one".