2652544660243 has 16 divisors (see below), whose sum is σ = 2823672852000. Its totient is φ = 2484571491072.

The previous prime is 2652544660223. The next prime is 2652544660267. The reversal of 2652544660243 is 3420664452562.

It is a cyclic number.

It is not a de Polignac number, because 2652544660243 - 2⁴¹ = 453521404691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2652544660223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50752921 + ... + 50805157.

It is an arithmetic number, because the mean of its divisors is an integer number (176479553250).

Almost surely, 2^{2652544660243} is an apocalyptic number.

2652544660243 is a deficient number, since it is larger than the sum of its proper divisors (171128191757).

2652544660243 is a wasteful number, since it uses less digits than its factorization.

2652544660243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82374.

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 2652544660243 in words is "two trillion, six hundred fifty-two billion, five hundred forty-four million, six hundred sixty thousand, two hundred forty-three".