7945405933 has 2 divisors, whose sum is σ = 7945405934. Its totient is φ = 7945405932.

The previous prime is 7945405903. The next prime is 7945405939. The reversal of 7945405933 is 3395045497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7380012649 + 565393284 = 85907^2 + 23778^2 .

It is a cyclic number.

It is not a de Polignac number, because 7945405933 - 2⁵ = 7945405901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7945405939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3972702966 + 3972702967.

It is an arithmetic number, because the mean of its divisors is an integer number (3972702967).

Almost surely, 2^7945405933 is an apocalyptic number.

It is an amenable number.

7945405933 is a deficient number, since it is larger than the sum of its proper divisors (1).

7945405933 is an equidigital number, since it uses as much as digits as its factorization.

7945405933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 49.

The square root of 7945405933 is about 89137.0065292749. The cubic root of 7945405933 is about 1995.4401060010.

The spelling of 7945405933 in words is "seven billion, nine hundred forty-five million, four hundred five thousand, nine hundred thirty-three".