6651562514741 has 4 divisors (see below), whose sum is σ = 6726299172300. Its totient is φ = 6576825857184.

The previous prime is 6651562514731. The next prime is 6651562514767. The reversal of 6651562514741 is 1474152651566.

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 1892423927716 + 4759138587025 = 1375654^2 + 2181545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6651562514741 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 (6651562514711) 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 3 ways as a sum of consecutive naturals, for example, 37368328646 + ... + 37368328823.

It is an arithmetic number, because the mean of its divisors is an integer number (1681574793075).

Almost surely, 2^{6651562514741} is an apocalyptic number.

It is an amenable number.

6651562514741 is a deficient number, since it is larger than the sum of its proper divisors (74736657559).

6651562514741 is an equidigital number, since it uses as much as digits as its factorization.

6651562514741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74736657558.

The product of its digits is 6048000, while the sum is 53.

The spelling of 6651562514741 in words is "six trillion, six hundred fifty-one billion, five hundred sixty-two million, five hundred fourteen thousand, seven hundred forty-one".