45101347649 has 2 divisors, whose sum is σ = 45101347650. Its totient is φ = 45101347648.

The previous prime is 45101347637. The next prime is 45101347727. The reversal of 45101347649 is 94674310154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38551359025 + 6549988624 = 196345^2 + 80932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45101347649 is a prime.

It is not a weakly prime, because it can be changed into another prime (45101347849) 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, 22550673824 + 22550673825.

It is an arithmetic number, because the mean of its divisors is an integer number (22550673825).

Almost surely, 2^45101347649 is an apocalyptic number.

It is an amenable number.

45101347649 is a deficient number, since it is larger than the sum of its proper divisors (1).

45101347649 is an equidigital number, since it uses as much as digits as its factorization.

45101347649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 45101347649 in words is "forty-five billion, one hundred one million, three hundred forty-seven thousand, six hundred forty-nine".