13225451149 has 2 divisors, whose sum is σ = 13225451150. Its totient is φ = 13225451148.

The previous prime is 13225451081. The next prime is 13225451153. The reversal of 13225451149 is 94115452231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11530893924 + 1694557225 = 107382^2 + 41165^2 .

It is a cyclic number.

It is not a de Polignac number, because 13225451149 - 2⁷ = 13225451021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13225451159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6612725574 + 6612725575.

It is an arithmetic number, because the mean of its divisors is an integer number (6612725575).

Almost surely, 2^13225451149 is an apocalyptic number.

It is an amenable number.

13225451149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13225451149 is an equidigital number, since it uses as much as digits as its factorization.

13225451149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The spelling of 13225451149 in words is "thirteen billion, two hundred twenty-five million, four hundred fifty-one thousand, one hundred forty-nine".