30454455761 has 2 divisors, whose sum is σ = 30454455762. Its totient is φ = 30454455760.

The previous prime is 30454455719. The next prime is 30454455781. The reversal of 30454455761 is 16755445403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23644905361 + 6809550400 = 153769^2 + 82520^2 .

It is a cyclic number.

It is not a de Polignac number, because 30454455761 - 2¹⁴ = 30454439377 is a prime.

It is not a weakly prime, because it can be changed into another prime (30454455781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15227227880 + 15227227881.

It is an arithmetic number, because the mean of its divisors is an integer number (15227227881).

Almost surely, 2^30454455761 is an apocalyptic number.

It is an amenable number.

30454455761 is a deficient number, since it is larger than the sum of its proper divisors (1).

30454455761 is an equidigital number, since it uses as much as digits as its factorization.

30454455761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 30454455761 in words is "thirty billion, four hundred fifty-four million, four hundred fifty-five thousand, seven hundred sixty-one".