45493558249 has 2 divisors, whose sum is σ = 45493558250. Its totient is φ = 45493558248.

The previous prime is 45493558213. The next prime is 45493558289. The reversal of 45493558249 is 94285539454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29983346649 + 15510211600 = 173157^2 + 124540^2 .

It is a cyclic number.

It is not a de Polignac number, because 45493558249 - 2⁹ = 45493557737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45493558193 and 45493558202.

It is not a weakly prime, because it can be changed into another prime (45493558289) 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, 22746779124 + 22746779125.

It is an arithmetic number, because the mean of its divisors is an integer number (22746779125).

Almost surely, 2^45493558249 is an apocalyptic number.

It is an amenable number.

45493558249 is a deficient number, since it is larger than the sum of its proper divisors (1).

45493558249 is an equidigital number, since it uses as much as digits as its factorization.

45493558249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104000, while the sum is 58.

The spelling of 45493558249 in words is "forty-five billion, four hundred ninety-three million, five hundred fifty-eight thousand, two hundred forty-nine".