655051403191 has 2 divisors, whose sum is σ = 655051403192. Its totient is φ = 655051403190.

The previous prime is 655051403129. The next prime is 655051403203. The reversal of 655051403191 is 191304150556.

655051403191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655051403191 - 2⁷ = 655051403063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655051403491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327525701595 + 327525701596.

It is an arithmetic number, because the mean of its divisors is an integer number (327525701596).

Almost surely, 2^655051403191 is an apocalyptic number.

655051403191 is a deficient number, since it is larger than the sum of its proper divisors (1).

655051403191 is an equidigital number, since it uses as much as digits as its factorization.

655051403191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 655051403191 in words is "six hundred fifty-five billion, fifty-one million, four hundred three thousand, one hundred ninety-one".