303642349481 has 2 divisors, whose sum is σ = 303642349482. Its totient is φ = 303642349480.

The previous prime is 303642349429. The next prime is 303642349499. The reversal of 303642349481 is 184943246303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299492413081 + 4149936400 = 547259^2 + 64420^2 .

It is a cyclic number.

It is not a de Polignac number, because 303642349481 - 2¹⁴ = 303642333097 is a prime.

It is a super-2 number, since 2×303642349481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (303642343481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151821174740 + 151821174741.

It is an arithmetic number, because the mean of its divisors is an integer number (151821174741).

Almost surely, 2^303642349481 is an apocalyptic number.

It is an amenable number.

303642349481 is a deficient number, since it is larger than the sum of its proper divisors (1).

303642349481 is an equidigital number, since it uses as much as digits as its factorization.

303642349481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 303642349481 in words is "three hundred three billion, six hundred forty-two million, three hundred forty-nine thousand, four hundred eighty-one".