45546368641 has 8 divisors (see below), whose sum is σ = 46491727464. Its totient is φ = 44607419520.

The previous prime is 45546368629. The next prime is 45546368653. The reversal of 45546368641 is 14686364554.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45546368629) and next prime (45546368653).

It can be written as a sum of positive squares in 4 ways, for example, as 6540118641 + 39006250000 = 80871^2 + 197500^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45546368641 - 2⁹ = 45546368129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45546368341) 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 in 7 ways as a sum of consecutive naturals, for example, 1588066 + ... + 1616491.

It is an arithmetic number, because the mean of its divisors is an integer number (5811465933).

Almost surely, 2^45546368641 is an apocalyptic number.

It is an amenable number.

45546368641 is a deficient number, since it is larger than the sum of its proper divisors (945358823).

45546368641 is a wasteful number, since it uses less digits than its factorization.

45546368641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204851.

The product of its digits is 8294400, while the sum is 52.

The spelling of 45546368641 in words is "forty-five billion, five hundred forty-six million, three hundred sixty-eight thousand, six hundred forty-one".