326623713205477 has 2 divisors, whose sum is σ = 326623713205478. Its totient is φ = 326623713205476.

The previous prime is 326623713205421. The next prime is 326623713205529. The reversal of 326623713205477 is 774502317326623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310476769363201 + 16146943842276 = 17620351^2 + 4018326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326623713205477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326623713275477) 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, 163311856602738 + 163311856602739.

It is an arithmetic number, because the mean of its divisors is an integer number (163311856602739).

Almost surely, 2^{326623713205477} is an apocalyptic number.

It is an amenable number.

326623713205477 is a deficient number, since it is larger than the sum of its proper divisors (1).

326623713205477 is an equidigital number, since it uses as much as digits as its factorization.

326623713205477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53343360, while the sum is 58.

The spelling of 326623713205477 in words is "three hundred twenty-six trillion, six hundred twenty-three billion, seven hundred thirteen million, two hundred five thousand, four hundred seventy-seven".