6551753729 has 2 divisors, whose sum is σ = 6551753730. Its totient is φ = 6551753728.

The previous prime is 6551753713. The next prime is 6551753731. The reversal of 6551753729 is 9273571556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6181576129 + 370177600 = 78623^2 + 19240^2 .

It is a cyclic number.

It is not a de Polignac number, because 6551753729 - 2⁴ = 6551753713 is a prime.

Together with 6551753731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6551753759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275876864 + 3275876865.

It is an arithmetic number, because the mean of its divisors is an integer number (3275876865).

Almost surely, 2^6551753729 is an apocalyptic number.

It is an amenable number.

6551753729 is a deficient number, since it is larger than the sum of its proper divisors (1).

6551753729 is an equidigital number, since it uses as much as digits as its factorization.

6551753729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1984500, while the sum is 50.

The square root of 6551753729 is about 80942.9041300101. The cubic root of 6551753729 is about 1871.1956025803.

The spelling of 6551753729 in words is "six billion, five hundred fifty-one million, seven hundred fifty-three thousand, seven hundred twenty-nine".