45349329169 has 2 divisors, whose sum is σ = 45349329170. Its totient is φ = 45349329168.

The previous prime is 45349329127. The next prime is 45349329173. The reversal of 45349329169 is 96192394354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40799152144 + 4550177025 = 201988^2 + 67455^2 .

It is a cyclic number.

It is not a de Polignac number, because 45349329169 - 2²¹ = 45347232017 is a prime.

It is a super-2 number, since 2×45349329169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45349329199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22674664584 + 22674664585.

It is an arithmetic number, because the mean of its divisors is an integer number (22674664585).

Almost surely, 2^45349329169 is an apocalyptic number.

It is an amenable number.

45349329169 is a deficient number, since it is larger than the sum of its proper divisors (1).

45349329169 is an equidigital number, since it uses as much as digits as its factorization.

45349329169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 55.

The spelling of 45349329169 in words is "forty-five billion, three hundred forty-nine million, three hundred twenty-nine thousand, one hundred sixty-nine".