305130210749 has 16 divisors (see below), whose sum is σ = 380298616320. Its totient is φ = 238365728640.

The previous prime is 305130210743. The next prime is 305130210757. The reversal of 305130210749 is 947012031503.

It is not a de Polignac number, because 305130210749 - 2²⁴ = 305113433533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305130210743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21214832 + ... + 21229209.

It is an arithmetic number, because the mean of its divisors is an integer number (23768663520).

Almost surely, 2^305130210749 is an apocalyptic number.

It is an amenable number.

305130210749 is a deficient number, since it is larger than the sum of its proper divisors (75168405571).

305130210749 is a wasteful number, since it uses less digits than its factorization.

305130210749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42444140.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 305130210749 in words is "three hundred five billion, one hundred thirty million, two hundred ten thousand, seven hundred forty-nine".