326442053473 has 2 divisors, whose sum is σ = 326442053474. Its totient is φ = 326442053472.

The previous prime is 326442053429. The next prime is 326442053489. The reversal of 326442053473 is 374350244623.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186963706449 + 139478347024 = 432393^2 + 373468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326442053473 is a prime.

It is not a weakly prime, because it can be changed into another prime (326442003473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163221026736 + 163221026737.

It is an arithmetic number, because the mean of its divisors is an integer number (163221026737).

Almost surely, 2^326442053473 is an apocalyptic number.

It is an amenable number.

326442053473 is a deficient number, since it is larger than the sum of its proper divisors (1).

326442053473 is an equidigital number, since it uses as much as digits as its factorization.

326442053473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 43.

The spelling of 326442053473 in words is "three hundred twenty-six billion, four hundred forty-two million, fifty-three thousand, four hundred seventy-three".