7214447413 has 2 divisors, whose sum is σ = 7214447414. Its totient is φ = 7214447412.

The previous prime is 7214447393. The next prime is 7214447477. The reversal of 7214447413 is 3147444127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6952557924 + 261889489 = 83382^2 + 16183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7214447413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7214447213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3607223706 + 3607223707.

It is an arithmetic number, because the mean of its divisors is an integer number (3607223707).

Almost surely, 2^7214447413 is an apocalyptic number.

It is an amenable number.

7214447413 is a deficient number, since it is larger than the sum of its proper divisors (1).

7214447413 is an equidigital number, since it uses as much as digits as its factorization.

7214447413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 37.

The square root of 7214447413 is about 84937.9032764525. The cubic root of 7214447413 is about 1932.2694640667.

The spelling of 7214447413 in words is "seven billion, two hundred fourteen million, four hundred forty-seven thousand, four hundred thirteen".