2741778389213 has 4 divisors (see below), whose sum is σ = 2793510056988. Its totient is φ = 2690046721440.

The previous prime is 2741778389179. The next prime is 2741778389243. The reversal of 2741778389213 is 3129838771472.

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 1394187093049 + 1347591296164 = 1180757^2 + 1160858^2 .

It is a cyclic number.

It is not a de Polignac number, because 2741778389213 - 2¹⁴ = 2741778372829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2741778389243) 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, 25865833808 + ... + 25865833913.

It is an arithmetic number, because the mean of its divisors is an integer number (698377514247).

Almost surely, 2^{2741778389213} is an apocalyptic number.

It is an amenable number.

2741778389213 is a deficient number, since it is larger than the sum of its proper divisors (51731667775).

2741778389213 is an equidigital number, since it uses as much as digits as its factorization.

2741778389213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51731667774.

The product of its digits is 28449792, while the sum is 62.

The spelling of 2741778389213 in words is "two trillion, seven hundred forty-one billion, seven hundred seventy-eight million, three hundred eighty-nine thousand, two hundred thirteen".