325420971149 has 2 divisors, whose sum is σ = 325420971150. Its totient is φ = 325420971148.

The previous prime is 325420971133. The next prime is 325420971157. The reversal of 325420971149 is 941179024523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287076282025 + 38344689124 = 535795^2 + 195818^2 .

It is an emirp because it is prime and its reverse (941179024523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325420971149 - 2⁴ = 325420971133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325420971349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162710485574 + 162710485575.

It is an arithmetic number, because the mean of its divisors is an integer number (162710485575).

Almost surely, 2^325420971149 is an apocalyptic number.

It is an amenable number.

325420971149 is a deficient number, since it is larger than the sum of its proper divisors (1).

325420971149 is an equidigital number, since it uses as much as digits as its factorization.

325420971149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 325420971149 in words is "three hundred twenty-five billion, four hundred twenty million, nine hundred seventy-one thousand, one hundred forty-nine".