7346642257 has 2 divisors, whose sum is σ = 7346642258. Its totient is φ = 7346642256.

The previous prime is 7346642243. The next prime is 7346642273. The reversal of 7346642257 is 7522466437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3987164736 + 3359477521 = 63144^2 + 57961^2 .

It is a cyclic number.

It is not a de Polignac number, because 7346642257 - 2³¹ = 5199158609 is a prime.

It is not a weakly prime, because it can be changed into another prime (7346642207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3673321128 + 3673321129.

It is an arithmetic number, because the mean of its divisors is an integer number (3673321129).

Almost surely, 2^7346642257 is an apocalyptic number.

It is an amenable number.

7346642257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7346642257 is an equidigital number, since it uses as much as digits as its factorization.

7346642257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 46.

The square root of 7346642257 is about 85712.5560055235. The cubic root of 7346642257 is about 1944.0001652053. Note that the first 3 decimals are identical.

The spelling of 7346642257 in words is "seven billion, three hundred forty-six million, six hundred forty-two thousand, two hundred fifty-seven".