2730905533 has 4 divisors (see below), whose sum is σ = 2794415008. Its totient is φ = 2667396060.

The previous prime is 2730905521. The next prime is 2730905539. The reversal of 2730905533 is 3355090372.

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 a cyclic number.

It is not a de Polignac number, because 2730905533 - 2¹⁷ = 2730774461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2730905492 and 2730905501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730905539) 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, 31754673 + ... + 31754758.

It is an arithmetic number, because the mean of its divisors is an integer number (698603752).

Almost surely, 2^2730905533 is an apocalyptic number.

It is an amenable number.

2730905533 is a deficient number, since it is larger than the sum of its proper divisors (63509475).

2730905533 is an equidigital number, since it uses as much as digits as its factorization.

2730905533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63509474.

The product of its (nonzero) digits is 85050, while the sum is 37.

The square root of 2730905533 is about 52258.0666787435. The cubic root of 2730905533 is about 1397.7694980465.

The spelling of 2730905533 in words is "two billion, seven hundred thirty million, nine hundred five thousand, five hundred thirty-three".