4645112402549 has 2 divisors, whose sum is σ = 4645112402550. Its totient is φ = 4645112402548.

The previous prime is 4645112402521. The next prime is 4645112402597. The reversal of 4645112402549 is 9452042115464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4565358688900 + 79753713649 = 2136670^2 + 282407^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645112402549 - 2¹² = 4645112398453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4645112402149) 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, 2322556201274 + 2322556201275.

It is an arithmetic number, because the mean of its divisors is an integer number (2322556201275).

Almost surely, 2^{4645112402549} is an apocalyptic number.

It is an amenable number.

4645112402549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645112402549 is an equidigital number, since it uses as much as digits as its factorization.

4645112402549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 4645112402549 in words is "four trillion, six hundred forty-five billion, one hundred twelve million, four hundred two thousand, five hundred forty-nine".