2734704660561 has 16 divisors (see below), whose sum is σ = 3993889161600. Its totient is φ = 1656724391168.

The previous prime is 2734704660533. The next prime is 2734704660631. The reversal of 2734704660561 is 1650664074372.

It is a cyclic number.

It is not a de Polignac number, because 2734704660561 - 2⁶ = 2734704660497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2734704660461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924509901 + ... + 924512858.

It is an arithmetic number, because the mean of its divisors is an integer number (249618072600).

Almost surely, 2^{2734704660561} is an apocalyptic number.

It is an amenable number.

2734704660561 is a deficient number, since it is larger than the sum of its proper divisors (1259184501039).

2734704660561 is a wasteful number, since it uses less digits than its factorization.

2734704660561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849022808.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 2734704660561 in words is "two trillion, seven hundred thirty-four billion, seven hundred four million, six hundred sixty thousand, five hundred sixty-one".