7314415681 has 2 divisors, whose sum is σ = 7314415682. Its totient is φ = 7314415680.

The previous prime is 7314415663. The next prime is 7314415721. The reversal of 7314415681 is 1865144137.

It is an a-pointer prime, because the next prime (7314415721) can be obtained adding 7314415681 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7310250000 + 4165681 = 85500^2 + 2041^2 .

It is a cyclic number.

It is not a de Polignac number, because 7314415681 - 2⁷ = 7314415553 is a prime.

It is a super-2 number, since 2×7314415681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7314415601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3657207840 + 3657207841.

It is an arithmetic number, because the mean of its divisors is an integer number (3657207841).

Almost surely, 2^7314415681 is an apocalyptic number.

It is an amenable number.

7314415681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7314415681 is an equidigital number, since it uses as much as digits as its factorization.

7314415681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 7314415681 is about 85524.3572381576. The cubic root of 7314415681 is about 1941.1534998048.

The spelling of 7314415681 in words is "seven billion, three hundred fourteen million, four hundred fifteen thousand, six hundred eighty-one".