6172126453 has 2 divisors, whose sum is σ = 6172126454. Its totient is φ = 6172126452.

The previous prime is 6172126451. The next prime is 6172126487. The reversal of 6172126453 is 3546212716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6122593009 + 49533444 = 78247^2 + 7038^2 .

It is a cyclic number.

It is not a de Polignac number, because 6172126453 - 2¹ = 6172126451 is a prime.

It is a super-2 number, since 2×6172126453² = 76190289903644722418, which contains 22 as substring.

Together with 6172126451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6172126451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3086063226 + 3086063227.

It is an arithmetic number, because the mean of its divisors is an integer number (3086063227).

Almost surely, 2^6172126453 is an apocalyptic number.

It is an amenable number.

6172126453 is a deficient number, since it is larger than the sum of its proper divisors (1).

6172126453 is an equidigital number, since it uses as much as digits as its factorization.

6172126453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 6172126453 is about 78562.8821581795. The cubic root of 6172126453 is about 1834.3333909527. Note that the first 4 decimals are identical.

The spelling of 6172126453 in words is "six billion, one hundred seventy-two million, one hundred twenty-six thousand, four hundred fifty-three".