7055266391 has 2 divisors, whose sum is σ = 7055266392. Its totient is φ = 7055266390.

The previous prime is 7055266367. The next prime is 7055266411. The reversal of 7055266391 is 1936625507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7055266391 - 2¹⁰ = 7055265367 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7055266321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3527633195 + 3527633196.

It is an arithmetic number, because the mean of its divisors is an integer number (3527633196).

Almost surely, 2^7055266391 is an apocalyptic number.

7055266391 is a deficient number, since it is larger than the sum of its proper divisors (1).

7055266391 is an equidigital number, since it uses as much as digits as its factorization.

7055266391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 7055266391 is about 83995.6331662545. The cubic root of 7055266391 is about 1917.9523155236.

The spelling of 7055266391 in words is "seven billion, fifty-five million, two hundred sixty-six thousand, three hundred ninety-one".