6471235913 has 2 divisors, whose sum is σ = 6471235914. Its totient is φ = 6471235912.

The previous prime is 6471235867. The next prime is 6471235949. The reversal of 6471235913 is 3195321746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5168603449 + 1302632464 = 71893^2 + 36092^2 .

It is a cyclic number.

It is not a de Polignac number, because 6471235913 - 2²⁰ = 6470187337 is a prime.

It is not a weakly prime, because it can be changed into another prime (6471235513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235617956 + 3235617957.

It is an arithmetic number, because the mean of its divisors is an integer number (3235617957).

Almost surely, 2^6471235913 is an apocalyptic number.

It is an amenable number.

6471235913 is a deficient number, since it is larger than the sum of its proper divisors (1).

6471235913 is an equidigital number, since it uses as much as digits as its factorization.

6471235913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 6471235913 is about 80443.9923984383. The cubic root of 6471235913 is about 1863.4986288129.

The spelling of 6471235913 in words is "six billion, four hundred seventy-one million, two hundred thirty-five thousand, nine hundred thirteen".