4399153061 has 4 divisors (see below), whose sum is σ = 4399286892. Its totient is φ = 4399019232.

The previous prime is 4399153013. The next prime is 4399153139. The reversal of 4399153061 is 1603519934.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 712356100 + 3686796961 = 26690^2 + 60719^2 .

It is a cyclic number.

It is not a de Polignac number, because 4399153061 - 2⁶ = 4399152997 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 (4399156061) 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, 20171 + ... + 95943.

It is an arithmetic number, because the mean of its divisors is an integer number (1099821723).

Almost surely, 2^4399153061 is an apocalyptic number.

It is an amenable number.

4399153061 is a deficient number, since it is larger than the sum of its proper divisors (133831).

4399153061 is an equidigital number, since it uses as much as digits as its factorization.

4399153061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133830.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 4399153061 is about 66326.1114569519. Note that the first 3 decimals coincide. The cubic root of 4399153061 is about 1638.5373957974.

The spelling of 4399153061 in words is "four billion, three hundred ninety-nine million, one hundred fifty-three thousand, sixty-one".