45784955948819 has 2 divisors, whose sum is σ = 45784955948820. Its totient is φ = 45784955948818.

The previous prime is 45784955948747. The next prime is 45784955948827. The reversal of 45784955948819 is 91884955948754.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45784955948819 is a prime.

It is a super-2 number, since 2×45784955948819² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45784955948869) 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, 22892477974409 + 22892477974410.

It is an arithmetic number, because the mean of its divisors is an integer number (22892477974410).

Almost surely, 2^{45784955948819} is an apocalyptic number.

45784955948819 is a deficient number, since it is larger than the sum of its proper divisors (1).

45784955948819 is an equidigital number, since it uses as much as digits as its factorization.

45784955948819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888000, while the sum is 86.

The spelling of 45784955948819 in words is "forty-five trillion, seven hundred eighty-four billion, nine hundred fifty-five million, nine hundred forty-eight thousand, eight hundred nineteen".