2741621606413 has 4 divisors (see below), whose sum is σ = 2741628426460. Its totient is φ = 2741614786368.

The previous prime is 2741621606303. The next prime is 2741621606431. The reversal of 2741621606413 is 3146061261472.

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 2151493439209 + 590128167204 = 1466797^2 + 768198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2741621606413 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 2741621606413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2741621609413) 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, 2766558 + ... + 3624511.

It is an arithmetic number, because the mean of its divisors is an integer number (685407106615).

Almost surely, 2^{2741621606413} is an apocalyptic number.

It is an amenable number.

2741621606413 is a deficient number, since it is larger than the sum of its proper divisors (6820047).

2741621606413 is an equidigital number, since it uses as much as digits as its factorization.

2741621606413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6820046.

The product of its (nonzero) digits is 290304, while the sum is 43.

Adding to 2741621606413 its reverse (3146061261472), we get a palindrome (5887682867885).

The spelling of 2741621606413 in words is "two trillion, seven hundred forty-one billion, six hundred twenty-one million, six hundred six thousand, four hundred thirteen".