8218429902 has 24 divisors (see below), whose sum is σ = 18381005760. Its totient is φ = 2651106240.

The previous prime is 8218429873. The next prime is 8218429907. The reversal of 8218429902 is 2099248128.

It is a happy number.

8218429902 is a `hidden beast` number, since 8 + 218 + 429 + 9 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8218429907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7363627 + ... + 7364742.

It is an arithmetic number, because the mean of its divisors is an integer number (765875240).

Almost surely, 2^8218429902 is an apocalyptic number.

8218429902 is an abundant number, since it is smaller than the sum of its proper divisors (10162575858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8218429902 is a wasteful number, since it uses less digits than its factorization.

8218429902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14728408 (or 14728405 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 8218429902 is about 90655.5563768708. The cubic root of 8218429902 is about 2018.0392945692.

It can be divided in two parts, 821842 and 9902, that added together give a square (831744 = 912²).

The spelling of 8218429902 in words is "eight billion, two hundred eighteen million, four hundred twenty-nine thousand, nine hundred two".