2730492737281 has 8 divisors (see below), whose sum is σ = 2778314787584. Its totient is φ = 2682769392720.

The previous prime is 2730492737261. The next prime is 2730492737299. The reversal of 2730492737281 is 1827372940372.

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 2730492737281 - 2¹³ = 2730492729089 is a prime.

It is a super-2 number, since 2×2730492737281² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2730492737261) 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, 24620625 + ... + 24731278.

It is an arithmetic number, because the mean of its divisors is an integer number (347289348448).

Almost surely, 2^{2730492737281} is an apocalyptic number.

It is an amenable number.

2730492737281 is a deficient number, since it is larger than the sum of its proper divisors (47822050303).

2730492737281 is an equidigital number, since it uses as much as digits as its factorization.

2730492737281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49352871.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 2730492737281 in words is "two trillion, seven hundred thirty billion, four hundred ninety-two million, seven hundred thirty-seven thousand, two hundred eighty-one".