2742691389 has 8 divisors (see below), whose sum is σ = 3659897472. Its totient is φ = 1826973120.

The previous prime is 2742691361. The next prime is 2742691409. The reversal of 2742691389 is 9831962472.

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

It is not a de Polignac number, because 2742691389 - 2⁹ = 2742690877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742691309) 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 7 ways as a sum of consecutive naturals, for example, 367644 + ... + 375029.

It is an arithmetic number, because the mean of its divisors is an integer number (457487184).

Almost surely, 2^2742691389 is an apocalyptic number.

It is an amenable number.

2742691389 is a deficient number, since it is larger than the sum of its proper divisors (917206083).

2742691389 is a wasteful number, since it uses less digits than its factorization.

2742691389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743907.

The product of its digits is 1306368, while the sum is 51.

The square root of 2742691389 is about 52370.7111752361. The cubic root of 2742691389 is about 1399.7774117210. Note that the first 3 decimals are identical.

The spelling of 2742691389 in words is "two billion, seven hundred forty-two million, six hundred ninety-one thousand, three hundred eighty-nine".