2742655122421 has 8 divisors (see below), whose sum is σ = 2795107958784. Its totient is φ = 2690228383440.

The previous prime is 2742655122391. The next prime is 2742655122433. The reversal of 2742655122421 is 1242215562472.

2742655122421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2742655122421 - 2²¹ = 2742653025269 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 (2742655122451) 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, 6312085 + ... + 6732586.

It is an arithmetic number, because the mean of its divisors is an integer number (349388494848).

Almost surely, 2^{2742655122421} is an apocalyptic number.

It is an amenable number.

2742655122421 is a deficient number, since it is larger than the sum of its proper divisors (52452836363).

2742655122421 is a wasteful number, since it uses less digits than its factorization.

2742655122421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13048691.

The product of its digits is 537600, while the sum is 43.

The spelling of 2742655122421 in words is "two trillion, seven hundred forty-two billion, six hundred fifty-five million, one hundred twenty-two thousand, four hundred twenty-one".