6471235949 has 2 divisors, whose sum is σ = 6471235950. Its totient is φ = 6471235948.

The previous prime is 6471235913. The next prime is 6471235961. The reversal of 6471235949 is 9495321746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4263175849 + 2208060100 = 65293^2 + 46990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6471235949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6471235897 and 6471235906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6471235049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235617974 + 3235617975.

It is an arithmetic number, because the mean of its divisors is an integer number (3235617975).

Almost surely, 2^6471235949 is an apocalyptic number.

It is an amenable number.

6471235949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6471235949 is an equidigital number, since it uses as much as digits as its factorization.

6471235949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The square root of 6471235949 is about 80443.9926221965. The cubic root of 6471235949 is about 1863.4986322685.

The spelling of 6471235949 in words is "six billion, four hundred seventy-one million, two hundred thirty-five thousand, nine hundred forty-nine".