2909545454593 has 4 divisors (see below), whose sum is σ = 2909564631508. Its totient is φ = 2909526277680.

The previous prime is 2909545454581. The next prime is 2909545454611. The reversal of 2909545454593 is 3954545459092.

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 2674196278209 + 235349176384 = 1635297^2 + 485128^2 .

It is a cyclic number.

It is not a de Polignac number, because 2909545454593 - 2⁵ = 2909545454561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2909545454513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9359046 + ... + 9664927.

It is an arithmetic number, because the mean of its divisors is an integer number (727391157877).

Almost surely, 2^{2909545454593} is an apocalyptic number.

It is an amenable number.

2909545454593 is a deficient number, since it is larger than the sum of its proper divisors (19176915).

2909545454593 is a wasteful number, since it uses less digits than its factorization.

2909545454593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19176914.

The product of its (nonzero) digits is 174960000, while the sum is 64.

The spelling of 2909545454593 in words is "two trillion, nine hundred nine billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred ninety-three".