45461681817553 has 2 divisors, whose sum is σ = 45461681817554. Its totient is φ = 45461681817552.

The previous prime is 45461681817527. The next prime is 45461681817557. The reversal of 45461681817553 is 35571818616454.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40420183989969 + 5041497827584 = 6357687^2 + 2245328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45461681817553 is a prime.

It is not a weakly prime, because it can be changed into another prime (45461681817557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22730840908776 + 22730840908777.

It is an arithmetic number, because the mean of its divisors is an integer number (22730840908777).

Almost surely, 2^{45461681817553} is an apocalyptic number.

It is an amenable number.

45461681817553 is a deficient number, since it is larger than the sum of its proper divisors (1).

45461681817553 is an equidigital number, since it uses as much as digits as its factorization.

45461681817553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768000, while the sum is 64.

The spelling of 45461681817553 in words is "forty-five trillion, four hundred sixty-one billion, six hundred eighty-one million, eight hundred seventeen thousand, five hundred fifty-three".