8902349821 has 16 divisors (see below), whose sum is σ = 9115666560. Its totient is φ = 8691439680.

The previous prime is 8902349783. The next prime is 8902349873. The reversal of 8902349821 is 1289432098.

It is a cyclic number.

It is not a de Polignac number, because 8902349821 - 2¹³ = 8902341629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8902349881) 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, 8735850 + ... + 8736868.

It is an arithmetic number, because the mean of its divisors is an integer number (569729160).

Almost surely, 2^8902349821 is an apocalyptic number.

It is an amenable number.

8902349821 is a deficient number, since it is larger than the sum of its proper divisors (213316739).

8902349821 is a wasteful number, since it uses less digits than its factorization.

8902349821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 8902349821 is about 94352.2645250235. The cubic root of 8902349821 is about 2072.5334660601.

The spelling of 8902349821 in words is "eight billion, nine hundred two million, three hundred forty-nine thousand, eight hundred twenty-one".