2742945380489 has 2 divisors, whose sum is σ = 2742945380490. Its totient is φ = 2742945380488.

The previous prime is 2742945380477. The next prime is 2742945380501. The reversal of 2742945380489 is 9840835492472.

It is a balanced prime because it is at equal distance from previous prime (2742945380477) and next prime (2742945380501).

It can be written as a sum of positive squares in only one way, i.e., 2595105130489 + 147840250000 = 1610933^2 + 384500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742945380489 - 2⁴ = 2742945380473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2742945380429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371472690244 + 1371472690245.

It is an arithmetic number, because the mean of its divisors is an integer number (1371472690245).

Almost surely, 2^{2742945380489} is an apocalyptic number.

It is an amenable number.

2742945380489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742945380489 is an equidigital number, since it uses as much as digits as its factorization.

2742945380489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139345920, while the sum is 65.

The spelling of 2742945380489 in words is "two trillion, seven hundred forty-two billion, nine hundred forty-five million, three hundred eighty thousand, four hundred eighty-nine".