2743661247949 has 8 divisors (see below), whose sum is σ = 2747785091040. Its totient is φ = 2739539994576.

The previous prime is 2743661247913. The next prime is 2743661247973. The reversal of 2743661247949 is 9497421663472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2743661247949 - 2¹⁷ = 2743661116877 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 (2743661247449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1478287 + ... + 2769955.

It is an arithmetic number, because the mean of its divisors is an integer number (343473136380).

Almost surely, 2^{2743661247949} is an apocalyptic number.

It is an amenable number.

2743661247949 is a deficient number, since it is larger than the sum of its proper divisors (4123843091).

2743661247949 is a wasteful number, since it uses less digits than its factorization.

2743661247949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294859.

The product of its digits is 109734912, while the sum is 64.

The spelling of 2743661247949 in words is "two trillion, seven hundred forty-three billion, six hundred sixty-one million, two hundred forty-seven thousand, nine hundred forty-nine".