30027068357381 has 4 divisors (see below), whose sum is σ = 30027164527500. Its totient is φ = 30026972187264.

The previous prime is 30027068357353. The next prime is 30027068357387. The reversal of 30027068357381 is 18375386072003.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25678633973281 + 4348434384100 = 5067409^2 + 2085290^2 .

It is a cyclic number.

It is not a de Polignac number, because 30027068357381 - 2¹⁰ = 30027068356357 is a prime.

It is a super-2 number, since 2×30027068357381² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30027068357387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47615186 + ... + 48241683.

It is an arithmetic number, because the mean of its divisors is an integer number (7506791131875).

Almost surely, 2^{30027068357381} is an apocalyptic number.

It is an amenable number.

30027068357381 is a deficient number, since it is larger than the sum of its proper divisors (96170119).

30027068357381 is an equidigital number, since it uses as much as digits as its factorization.

30027068357381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96170118.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 30027068357381 in words is "thirty trillion, twenty-seven billion, sixty-eight million, three hundred fifty-seven thousand, three hundred eighty-one".