30507836449 has 2 divisors, whose sum is σ = 30507836450. Its totient is φ = 30507836448.

The previous prime is 30507836423. The next prime is 30507836459. The reversal of 30507836449 is 94463870503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15475360000 + 15032476449 = 124400^2 + 122607^2 .

It is a cyclic number.

It is not a de Polignac number, because 30507836449 - 2⁷ = 30507836321 is a prime.

It is not a weakly prime, because it can be changed into another prime (30507836459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15253918224 + 15253918225.

It is an arithmetic number, because the mean of its divisors is an integer number (15253918225).

Almost surely, 2^30507836449 is an apocalyptic number.

It is an amenable number.

30507836449 is a deficient number, since it is larger than the sum of its proper divisors (1).

30507836449 is an equidigital number, since it uses as much as digits as its factorization.

30507836449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 30507836449 in words is "thirty billion, five hundred seven million, eight hundred thirty-six thousand, four hundred forty-nine".