30152569268821 has 2 divisors, whose sum is σ = 30152569268822. Its totient is φ = 30152569268820.

The previous prime is 30152569268819. The next prime is 30152569268863. The reversal of 30152569268821 is 12886296525103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30138947111025 + 13622157796 = 5489895^2 + 116714^2 .

It is a cyclic number.

It is not a de Polignac number, because 30152569268821 - 2¹ = 30152569268819 is a prime.

It is a super-2 number, since 2×30152569268821² (a number of 28 digits) contains 22 as substring.

Together with 30152569268819, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30152539268821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15076284634410 + 15076284634411.

It is an arithmetic number, because the mean of its divisors is an integer number (15076284634411).

Almost surely, 2^{30152569268821} is an apocalyptic number.

It is an amenable number.

30152569268821 is a deficient number, since it is larger than the sum of its proper divisors (1).

30152569268821 is an equidigital number, since it uses as much as digits as its factorization.

30152569268821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 30152569268821 in words is "thirty trillion, one hundred fifty-two billion, five hundred sixty-nine million, two hundred sixty-eight thousand, eight hundred twenty-one".