45219647149 has 2 divisors, whose sum is σ = 45219647150. Its totient is φ = 45219647148.

The previous prime is 45219647111. The next prime is 45219647167. The reversal of 45219647149 is 94174691254.

It is a happy number.

45219647149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36699064900 + 8520582249 = 191570^2 + 92307^2 .

It is a cyclic number.

It is not a de Polignac number, because 45219647149 - 2¹¹ = 45219645101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45219647096 and 45219647105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45219647549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22609823574 + 22609823575.

It is an arithmetic number, because the mean of its divisors is an integer number (22609823575).

Almost surely, 2^45219647149 is an apocalyptic number.

It is an amenable number.

45219647149 is a deficient number, since it is larger than the sum of its proper divisors (1).

45219647149 is an equidigital number, since it uses as much as digits as its factorization.

45219647149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 52.

The spelling of 45219647149 in words is "forty-five billion, two hundred nineteen million, six hundred forty-seven thousand, one hundred forty-nine".