545240651633 has 2 divisors, whose sum is σ = 545240651634. Its totient is φ = 545240651632.

The previous prime is 545240651629. The next prime is 545240651723. The reversal of 545240651633 is 336156042545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500891661169 + 44348990464 = 707737^2 + 210592^2 .

It is a cyclic number.

It is not a de Polignac number, because 545240651633 - 2² = 545240651629 is a prime.

It is not a weakly prime, because it can be changed into another prime (545240651623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272620325816 + 272620325817.

It is an arithmetic number, because the mean of its divisors is an integer number (272620325817).

Almost surely, 2^545240651633 is an apocalyptic number.

It is an amenable number.

545240651633 is a deficient number, since it is larger than the sum of its proper divisors (1).

545240651633 is an equidigital number, since it uses as much as digits as its factorization.

545240651633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 545240651633 in words is "five hundred forty-five billion, two hundred forty million, six hundred fifty-one thousand, six hundred thirty-three".