7021828862881 has 4 divisors (see below), whose sum is σ = 8024947271872. Its totient is φ = 6018710453892.

The previous prime is 7021828862813. The next prime is 7021828862891. The reversal of 7021828862881 is 1882688281207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7021828862881 - 2³⁷ = 6884389909409 is a prime.

It is a super-2 number, since 2×7021828862881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7021828862891) 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 in 3 ways as a sum of consecutive naturals, for example, 501559204485 + ... + 501559204498.

It is an arithmetic number, because the mean of its divisors is an integer number (2006236817968).

Almost surely, 2^{7021828862881} is an apocalyptic number.

It is an amenable number.

7021828862881 is a deficient number, since it is larger than the sum of its proper divisors (1003118408991).

7021828862881 is a wasteful number, since it uses less digits than its factorization.

7021828862881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003118408990.

The product of its (nonzero) digits is 11010048, while the sum is 61.

The spelling of 7021828862881 in words is "seven trillion, twenty-one billion, eight hundred twenty-eight million, eight hundred sixty-two thousand, eight hundred eighty-one".