6320791091 has 2 divisors, whose sum is σ = 6320791092. Its totient is φ = 6320791090.

The previous prime is 6320791051. The next prime is 6320791121. The reversal of 6320791091 is 1901970236.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6320791091 is a prime.

It is not a weakly prime, because it can be changed into another prime (6320791021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160395545 + 3160395546.

It is an arithmetic number, because the mean of its divisors is an integer number (3160395546).

Almost surely, 2^6320791091 is an apocalyptic number.

6320791091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6320791091 is an equidigital number, since it uses as much as digits as its factorization.

6320791091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 6320791091 is about 79503.4030152169. The cubic root of 6320791091 is about 1848.9442323736.

The spelling of 6320791091 in words is "six billion, three hundred twenty million, seven hundred ninety-one thousand, ninety-one".