8421532498 has 8 divisors (see below), whose sum is σ = 12633514992. Its totient is φ = 4210360836.

The previous prime is 8421532481. The next prime is 8421532577. The reversal of 8421532498 is 8942351248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8421532498² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176040 + ... + 218707.

It is an arithmetic number, because the mean of its divisors is an integer number (1579189374).

Almost surely, 2^8421532498 is an apocalyptic number.

8421532498 is a deficient number, since it is larger than the sum of its proper divisors (4211982494).

8421532498 is a wasteful number, since it uses less digits than its factorization.

8421532498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405416.

The product of its digits is 552960, while the sum is 46.

The square root of 8421532498 is about 91768.9081225226. The cubic root of 8421532498 is about 2034.5281801920.

The spelling of 8421532498 in words is "eight billion, four hundred twenty-one million, five hundred thirty-two thousand, four hundred ninety-eight".