6356433973 has 2 divisors, whose sum is σ = 6356433974. Its totient is φ = 6356433972.

The previous prime is 6356433961. The next prime is 6356434013. The reversal of 6356433973 is 3793346536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6150166929 + 206267044 = 78423^2 + 14362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6356433973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6356430973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178216986 + 3178216987.

It is an arithmetic number, because the mean of its divisors is an integer number (3178216987).

Almost surely, 2^6356433973 is an apocalyptic number.

It is an amenable number.

6356433973 is a deficient number, since it is larger than the sum of its proper divisors (1).

6356433973 is an equidigital number, since it uses as much as digits as its factorization.

6356433973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 49.

The square root of 6356433973 is about 79727.2473687635. The cubic root of 6356433973 is about 1852.4131132852.

The spelling of 6356433973 in words is "six billion, three hundred fifty-six million, four hundred thirty-three thousand, nine hundred seventy-three".