2613656742043 has 4 divisors (see below), whose sum is σ = 2613699322048. Its totient is φ = 2613614162040.

The previous prime is 2613656742041. The next prime is 2613656742091. The reversal of 2613656742043 is 3402476563162.

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

It is a cyclic number.

It is not a de Polignac number, because 2613656742043 - 2¹ = 2613656742041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2613656742041) 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 3 ways as a sum of consecutive naturals, for example, 21197796 + ... + 21320737.

It is an arithmetic number, because the mean of its divisors is an integer number (653424830512).

Almost surely, 2^{2613656742043} is an apocalyptic number.

2613656742043 is a deficient number, since it is larger than the sum of its proper divisors (42580005).

2613656742043 is an equidigital number, since it uses as much as digits as its factorization.

2613656742043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42580004.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 2613656742043 in words is "two trillion, six hundred thirteen billion, six hundred fifty-six million, seven hundred forty-two thousand, forty-three".