6472434181 has 2 divisors, whose sum is σ = 6472434182. Its totient is φ = 6472434180.

The previous prime is 6472434179. The next prime is 6472434187. The reversal of 6472434181 is 1814342746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5995404900 + 477029281 = 77430^2 + 21841^2 .

It is a cyclic number.

It is not a de Polignac number, because 6472434181 - 2¹ = 6472434179 is a prime.

It is a super-2 number, since 2×6472434181² = 83784808454754281522, which contains 22 as substring.

Together with 6472434179, 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 (6472434187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236217090 + 3236217091.

It is an arithmetic number, because the mean of its divisors is an integer number (3236217091).

Almost surely, 2^6472434181 is an apocalyptic number.

It is an amenable number.

6472434181 is a deficient number, since it is larger than the sum of its proper divisors (1).

6472434181 is an equidigital number, since it uses as much as digits as its factorization.

6472434181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 6472434181 is about 80451.4398938888. The cubic root of 6472434181 is about 1863.6136420290.

The spelling of 6472434181 in words is "six billion, four hundred seventy-two million, four hundred thirty-four thousand, one hundred eighty-one".