6612899053 has 4 divisors (see below), whose sum is σ = 6641280828. Its totient is φ = 6584517280.

The previous prime is 6612899047. The next prime is 6612899081. The reversal of 6612899053 is 3509982166.

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 1184598724 + 5428300329 = 34418^2 + 73677^2 .

It is a cyclic number.

It is not a de Polignac number, because 6612899053 - 2⁵ = 6612899021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6612898988 and 6612899006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6612899353) 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, 14190538 + ... + 14191003.

It is an arithmetic number, because the mean of its divisors is an integer number (1660320207).

Almost surely, 2^6612899053 is an apocalyptic number.

It is an amenable number.

6612899053 is a deficient number, since it is larger than the sum of its proper divisors (28381775).

6612899053 is a wasteful number, since it uses less digits than its factorization.

6612899053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28381774.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 6612899053 is about 81319.7334784122. The cubic root of 6612899053 is about 1876.9986678499.

The spelling of 6612899053 in words is "six billion, six hundred twelve million, eight hundred ninety-nine thousand, fifty-three".