305856696941 has 2 divisors, whose sum is σ = 305856696942. Its totient is φ = 305856696940.

The previous prime is 305856696931. The next prime is 305856697007. The reversal of 305856696941 is 149696658503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299916141316 + 5940555625 = 547646^2 + 77075^2 .

It is a cyclic number.

It is not a de Polignac number, because 305856696941 - 2¹⁰ = 305856695917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305856696931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152928348470 + 152928348471.

It is an arithmetic number, because the mean of its divisors is an integer number (152928348471).

Almost surely, 2^305856696941 is an apocalyptic number.

It is an amenable number.

305856696941 is a deficient number, since it is larger than the sum of its proper divisors (1).

305856696941 is an equidigital number, since it uses as much as digits as its factorization.

305856696941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 305856696941 in words is "three hundred five billion, eight hundred fifty-six million, six hundred ninety-six thousand, nine hundred forty-one".