6651442053 has 6 divisors (see below), whose sum is σ = 9607638534. Its totient is φ = 4434294696.

The previous prime is 6651442037. The next prime is 6651442069. The reversal of 6651442053 is 3502441566.

It is an interprime number because it is at equal distance from previous prime (6651442037) and next prime (6651442069).

It can be written as a sum of positive squares in only one way, i.e., 5216017284 + 1435424769 = 72222^2 + 37887^2 .

It is not a de Polignac number, because 6651442053 - 2⁴ = 6651442037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6651441999 and 6651442017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6651442003) 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 5 ways as a sum of consecutive naturals, for example, 369524550 + ... + 369524567.

It is an arithmetic number, because the mean of its divisors is an integer number (1601273089).

Almost surely, 2^6651442053 is an apocalyptic number.

It is an amenable number.

6651442053 is a deficient number, since it is larger than the sum of its proper divisors (2956196481).

6651442053 is a wasteful number, since it uses less digits than its factorization.

6651442053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739049123 (or 739049120 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 6651442053 is about 81556.3734664557. The cubic root of 6651442053 is about 1880.6382747693.

The spelling of 6651442053 in words is "six billion, six hundred fifty-one million, four hundred forty-two thousand, fifty-three".