30847495453 has 2 divisors, whose sum is σ = 30847495454. Its totient is φ = 30847495452.

The previous prime is 30847495451. The next prime is 30847495487. The reversal of 30847495453 is 35459474803.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26594107929 + 4253387524 = 163077^2 + 65218^2 .

It is a cyclic number.

It is not a de Polignac number, because 30847495453 - 2¹ = 30847495451 is a prime.

Together with 30847495451, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30847495453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30847495451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15423747726 + 15423747727.

It is an arithmetic number, because the mean of its divisors is an integer number (15423747727).

Almost surely, 2^30847495453 is an apocalyptic number.

It is an amenable number.

30847495453 is a deficient number, since it is larger than the sum of its proper divisors (1).

30847495453 is an equidigital number, since it uses as much as digits as its factorization.

30847495453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 30847495453 in words is "thirty billion, eight hundred forty-seven million, four hundred ninety-five thousand, four hundred fifty-three".