4122654655391 has 2 divisors, whose sum is σ = 4122654655392. Its totient is φ = 4122654655390.

The previous prime is 4122654655313. The next prime is 4122654655447. The reversal of 4122654655391 is 1935564562214.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4122654655391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4122654655591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061327327695 + 2061327327696.

It is an arithmetic number, because the mean of its divisors is an integer number (2061327327696).

Almost surely, 2^{4122654655391} is an apocalyptic number.

4122654655391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4122654655391 is an equidigital number, since it uses as much as digits as its factorization.

4122654655391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776000, while the sum is 53.

The spelling of 4122654655391 in words is "four trillion, one hundred twenty-two billion, six hundred fifty-four million, six hundred fifty-five thousand, three hundred ninety-one".