4164452641 has 4 divisors (see below), whose sum is σ = 4169180484. Its totient is φ = 4159724800.

The previous prime is 4164452639. The next prime is 4164452659. The reversal of 4164452641 is 1462544614.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1462544614 = 2 ⋅731272307.

It can be written as a sum of positive squares in 2 ways, for example, as 1929054241 + 2235398400 = 43921^2 + 47280^2 .

It is a cyclic number.

It is not a de Polignac number, because 4164452641 - 2¹ = 4164452639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4164452641.

It is not an unprimeable number, because it can be changed into a prime (4164452671) 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, 2362600 + ... + 2364361.

It is an arithmetic number, because the mean of its divisors is an integer number (1042295121).

Almost surely, 2^4164452641 is an apocalyptic number.

It is an amenable number.

4164452641 is a deficient number, since it is larger than the sum of its proper divisors (4727843).

4164452641 is an equidigital number, since it uses as much as digits as its factorization.

4164452641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727842.

The product of its digits is 92160, while the sum is 37.

The square root of 4164452641 is about 64532.5703889129. The cubic root of 4164452641 is about 1608.8639080748.

The spelling of 4164452641 in words is "four billion, one hundred sixty-four million, four hundred fifty-two thousand, six hundred forty-one".