545061631633 has 4 divisors (see below), whose sum is σ = 563856860340. Its totient is φ = 526266402928.

The previous prime is 545061631627. The next prime is 545061631669. The reversal of 545061631633 is 336136160545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148354388224 + 396707243409 = 385168^2 + 629847^2 .

It is a cyclic number.

It is not a de Polignac number, because 545061631633 - 2¹⁷ = 545061500561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545061631633.

It is not an unprimeable number, because it can be changed into a prime (545061631133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9397614310 + ... + 9397614367.

It is an arithmetic number, because the mean of its divisors is an integer number (140964215085).

Almost surely, 2^545061631633 is an apocalyptic number.

It is an amenable number.

545061631633 is a deficient number, since it is larger than the sum of its proper divisors (18795228707).

545061631633 is a wasteful number, since it uses less digits than its factorization.

545061631633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18795228706.

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 545061631633 in words is "five hundred forty-five billion, sixty-one million, six hundred thirty-one thousand, six hundred thirty-three".