6471888953 has 2 divisors, whose sum is σ = 6471888954. Its totient is φ = 6471888952.

The previous prime is 6471888893. The next prime is 6471888961. The reversal of 6471888953 is 3598881746.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6192430864 + 279458089 = 78692^2 + 16717^2 .

It is a cyclic number.

It is not a de Polignac number, because 6471888953 - 2¹² = 6471884857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6471888892 and 6471888901.

It is not a weakly prime, because it can be changed into another prime (6471888853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235944476 + 3235944477.

It is an arithmetic number, because the mean of its divisors is an integer number (3235944477).

Almost surely, 2^6471888953 is an apocalyptic number.

It is an amenable number.

6471888953 is a deficient number, since it is larger than the sum of its proper divisors (1).

6471888953 is an equidigital number, since it uses as much as digits as its factorization.

6471888953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 59.

The square root of 6471888953 is about 80448.0512691265. The cubic root of 6471888953 is about 1863.5613112344.

The spelling of 6471888953 in words is "six billion, four hundred seventy-one million, eight hundred eighty-eight thousand, nine hundred fifty-three".