8348270021 has 16 divisors (see below), whose sum is σ = 10297728000. Its totient is φ = 6590481408.

The previous prime is 8348269973. The next prime is 8348270041. The reversal of 8348270021 is 1200728438.

It is not a de Polignac number, because 8348270021 - 2²⁶ = 8281161157 is a prime.

It is a super-2 number, since 2×8348270021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8348270041) 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, 61301 + ... + 143018.

It is an arithmetic number, because the mean of its divisors is an integer number (643608000).

Almost surely, 2^8348270021 is an apocalyptic number.

It is an amenable number.

8348270021 is a deficient number, since it is larger than the sum of its proper divisors (1949457979).

8348270021 is a wasteful number, since it uses less digits than its factorization.

8348270021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204788.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 8348270021 is about 91368.8678982070. The cubic root of 8348270021 is about 2028.6112482154.

Adding to 8348270021 its reverse (1200728438), we get a palindrome (9548998459).

The spelling of 8348270021 in words is "eight billion, three hundred forty-eight million, two hundred seventy thousand, twenty-one".