8453172043 has 2 divisors, whose sum is σ = 8453172044. Its totient is φ = 8453172042.

The previous prime is 8453172017. The next prime is 8453172053. The reversal of 8453172043 is 3402713548.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8453172043 - 2⁵ = 8453172011 is a prime.

It is a super-2 number, since 2×8453172043² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8453171993 and 8453172011.

It is not a weakly prime, because it can be changed into another prime (8453172053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4226586021 + 4226586022.

It is an arithmetic number, because the mean of its divisors is an integer number (4226586022).

Almost surely, 2^8453172043 is an apocalyptic number.

8453172043 is a deficient number, since it is larger than the sum of its proper divisors (1).

8453172043 is an equidigital number, since it uses as much as digits as its factorization.

8453172043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 8453172043 is about 91941.1335746955. The cubic root of 8453172043 is about 2037.0728912060.

The spelling of 8453172043 in words is "eight billion, four hundred fifty-three million, one hundred seventy-two thousand, forty-three".