30821029004893 has 16 divisors (see below), whose sum is σ = 32099394096000. Its totient is φ = 29557055053120.

The previous prime is 30821029004881. The next prime is 30821029004923. The reversal of 30821029004893 is 39840092012803.

It is a cyclic number.

It is not a de Polignac number, because 30821029004893 - 2⁵ = 30821029004861 is a prime.

It is a super-3 number, since 3×30821029004893³ (a number of 41 digits) contains 333 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 (30821029004863) 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 in 15 ways as a sum of consecutive naturals, for example, 93008328 + ... + 93339118.

It is an arithmetic number, because the mean of its divisors is an integer number (2006212131000).

Almost surely, 2^{30821029004893} is an apocalyptic number.

It is an amenable number.

30821029004893 is a deficient number, since it is larger than the sum of its proper divisors (1278365091107).

30821029004893 is a wasteful number, since it uses less digits than its factorization.

30821029004893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352532.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 30821029004893 in words is "thirty trillion, eight hundred twenty-one billion, twenty-nine million, four thousand, eight hundred ninety-three".