4551343997 has 2 divisors, whose sum is σ = 4551343998. Its totient is φ = 4551343996.

The previous prime is 4551343981. The next prime is 4551344089. The reversal of 4551343997 is 7993431554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4550042116 + 1301881 = 67454^2 + 1141^2 .

It is a cyclic number.

It is not a de Polignac number, because 4551343997 - 2⁴ = 4551343981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4551343967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275671998 + 2275671999.

It is an arithmetic number, because the mean of its divisors is an integer number (2275671999).

Almost surely, 2^4551343997 is an apocalyptic number.

It is an amenable number.

4551343997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4551343997 is an equidigital number, since it uses as much as digits as its factorization.

4551343997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 50.

The square root of 4551343997 is about 67463.6494491663. The cubic root of 4551343997 is about 1657.2189361804.

The spelling of 4551343997 in words is "four billion, five hundred fifty-one million, three hundred forty-three thousand, nine hundred ninety-seven".