2734771421 has 8 divisors (see below), whose sum is σ = 2765967864. Its totient is φ = 2703697920.

The previous prime is 2734771409. The next prime is 2734771439. The reversal of 2734771421 is 1241774372.

It can be written as a sum of positive squares in 4 ways, for example, as 116402521 + 2618368900 = 10789^2 + 51170^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2734771421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2734771451) 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, 14381 + ... + 75341.

It is an arithmetic number, because the mean of its divisors is an integer number (345745983).

Almost surely, 2^2734771421 is an apocalyptic number.

It is an amenable number.

2734771421 is a deficient number, since it is larger than the sum of its proper divisors (31196443).

2734771421 is a wasteful number, since it uses less digits than its factorization.

2734771421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61471.

The product of its digits is 65856, while the sum is 38.

The square root of 2734771421 is about 52295.0420307700. The cubic root of 2734771421 is about 1398.4287509899.

The spelling of 2734771421 in words is "two billion, seven hundred thirty-four million, seven hundred seventy-one thousand, four hundred twenty-one".