7149161443 has 2 divisors, whose sum is σ = 7149161444. Its totient is φ = 7149161442.

The previous prime is 7149161413. The next prime is 7149161447. The reversal of 7149161443 is 3441619417.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7149161443 is a prime.

It is a super-2 number, since 2×7149161443² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7149161396 and 7149161405.

It is not a weakly prime, because it can be changed into another prime (7149161447) 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, 3574580721 + 3574580722.

It is an arithmetic number, because the mean of its divisors is an integer number (3574580722).

Almost surely, 2^7149161443 is an apocalyptic number.

7149161443 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149161443 is an equidigital number, since it uses as much as digits as its factorization.

7149161443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 7149161443 is about 84552.7139895580. The cubic root of 7149161443 is about 1926.4232073082.

The spelling of 7149161443 in words is "seven billion, one hundred forty-nine million, one hundred sixty-one thousand, four hundred forty-three".