4061452621 has 4 divisors (see below), whose sum is σ = 4061609244. Its totient is φ = 4061296000.

The previous prime is 4061452613. The next prime is 4061452627. The reversal of 4061452621 is 1262541604.

It is a happy number.

4061452621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 514654596 + 3546798025 = 22686^2 + 59555^2 .

It is a cyclic number.

It is not a de Polignac number, because 4061452621 - 2³ = 4061452613 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4061452627) 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, 29110 + ... + 94711.

It is an arithmetic number, because the mean of its divisors is an integer number (1015402311).

Almost surely, 2^4061452621 is an apocalyptic number.

It is an amenable number.

4061452621 is a deficient number, since it is larger than the sum of its proper divisors (156623).

4061452621 is a wasteful number, since it uses less digits than its factorization.

4061452621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156622.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4061452621 is about 63729.5270734061. The cubic root of 4061452621 is about 1595.4889367551.

The spelling of 4061452621 in words is "four billion, sixty-one million, four hundred fifty-two thousand, six hundred twenty-one".