21041614498 has 16 divisors (see below), whose sum is σ = 32589080064. Its totient is φ = 10178765280.

The previous prime is 21041614487. The next prime is 21041614519. The reversal of 21041614498 is 89441614012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 21041614498.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206086 + ... + 290782.

It is an arithmetic number, because the mean of its divisors is an integer number (2036817504).

Almost surely, 2^21041614498 is an apocalyptic number.

21041614498 is a deficient number, since it is larger than the sum of its proper divisors (11547465566).

21041614498 is a wasteful number, since it uses less digits than its factorization.

21041614498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88737.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 21041614498 in words is "twenty-one billion, forty-one million, six hundred fourteen thousand, four hundred ninety-eight".