45454856827 has 2 divisors, whose sum is σ = 45454856828. Its totient is φ = 45454856826.

The previous prime is 45454856813. The next prime is 45454856857. The reversal of 45454856827 is 72865845454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45454856827 is a prime.

It is a super-2 number, since 2×45454856827² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45454856857) 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, 22727428413 + 22727428414.

It is an arithmetic number, because the mean of its divisors is an integer number (22727428414).

Almost surely, 2^45454856827 is an apocalyptic number.

45454856827 is a deficient number, since it is larger than the sum of its proper divisors (1).

45454856827 is an equidigital number, since it uses as much as digits as its factorization.

45454856827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008000, while the sum is 58.

The spelling of 45454856827 in words is "forty-five billion, four hundred fifty-four million, eight hundred fifty-six thousand, eight hundred twenty-seven".