2742634675749 has 4 divisors (see below), whose sum is σ = 3656846234336. Its totient is φ = 1828423117164.

The previous prime is 2742634675747. The next prime is 2742634675771. The reversal of 2742634675749 is 9475764362472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2742634675749 - 2¹ = 2742634675747 is a prime.

It is a super-2 number, since 2×2742634675749² (a number of 26 digits) contains 22 as substring.

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 2742634675749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742634675741) 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, 457105779289 + ... + 457105779294.

It is an arithmetic number, because the mean of its divisors is an integer number (914211558584).

Almost surely, 2^{2742634675749} is an apocalyptic number.

It is an amenable number.

2742634675749 is a deficient number, since it is larger than the sum of its proper divisors (914211558587).

2742634675749 is an equidigital number, since it uses as much as digits as its factorization.

2742634675749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914211558586.

The product of its digits is 426746880, while the sum is 66.

The spelling of 2742634675749 in words is "two trillion, seven hundred forty-two billion, six hundred thirty-four million, six hundred seventy-five thousand, seven hundred forty-nine".