4143172997 has 2 divisors, whose sum is σ = 4143172998. Its totient is φ = 4143172996.

The previous prime is 4143172963. The next prime is 4143173029. The reversal of 4143172997 is 7992713414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3580107556 + 563065441 = 59834^2 + 23729^2 .

It is a cyclic number.

It is not a de Polignac number, because 4143172997 - 2⁸ = 4143172741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4143172907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071586498 + 2071586499.

It is an arithmetic number, because the mean of its divisors is an integer number (2071586499).

Almost surely, 2^4143172997 is an apocalyptic number.

It is an amenable number.

4143172997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4143172997 is an equidigital number, since it uses as much as digits as its factorization.

4143172997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 4143172997 is about 64367.4840039596. The cubic root of 4143172997 is about 1606.1188870012.

The spelling of 4143172997 in words is "four billion, one hundred forty-three million, one hundred seventy-two thousand, nine hundred ninety-seven".