4313218997 has 2 divisors, whose sum is σ = 4313218998. Its totient is φ = 4313218996.

The previous prime is 4313218993. The next prime is 4313219059. The reversal of 4313218997 is 7998123134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4312680241 + 538756 = 65671^2 + 734^2 .

It is a cyclic number.

It is not a de Polignac number, because 4313218997 - 2² = 4313218993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4313218991) 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 as a sum of consecutive naturals, namely, 2156609498 + 2156609499.

It is an arithmetic number, because the mean of its divisors is an integer number (2156609499).

Almost surely, 2^4313218997 is an apocalyptic number.

It is an amenable number.

4313218997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4313218997 is an equidigital number, since it uses as much as digits as its factorization.

4313218997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 4313218997 is about 65675.1018042606. The cubic root of 4313218997 is about 1627.7979721261.

The spelling of 4313218997 in words is "four billion, three hundred thirteen million, two hundred eighteen thousand, nine hundred ninety-seven".