6651552751 has 2 divisors, whose sum is σ = 6651552752. Its totient is φ = 6651552750.

The previous prime is 6651552749. The next prime is 6651552799. The reversal of 6651552751 is 1572551566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6651552751 - 2¹ = 6651552749 is a prime.

Together with 6651552749, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6651552698 and 6651552707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6651552151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325776375 + 3325776376.

It is an arithmetic number, because the mean of its divisors is an integer number (3325776376).

Almost surely, 2^6651552751 is an apocalyptic number.

6651552751 is a deficient number, since it is larger than the sum of its proper divisors (1).

6651552751 is an equidigital number, since it uses as much as digits as its factorization.

6651552751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 315000, while the sum is 43.

The square root of 6651552751 is about 81557.0521230384. The cubic root of 6651552751 is about 1880.6487076819.

The spelling of 6651552751 in words is "six billion, six hundred fifty-one million, five hundred fifty-two thousand, seven hundred fifty-one".