21478024482698 has 16 divisors (see below), whose sum is σ = 36819666872064. Its totient is φ = 9204818552880.

The previous prime is 21478024482631. The next prime is 21478024482701. The reversal of 21478024482698 is 89628442087412.

It is a super-2 number, since 2×21478024482698² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305533 + ... + 6682848.

It is an arithmetic number, because the mean of its divisors is an integer number (2301229179504).

Almost surely, 2^{21478024482698} is an apocalyptic number.

21478024482698 is a deficient number, since it is larger than the sum of its proper divisors (15341642389366).

21478024482698 is a wasteful number, since it uses less digits than its factorization.

21478024482698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8180437.

The product of its (nonzero) digits is 99090432, while the sum is 65.

The spelling of 21478024482698 in words is "twenty-one trillion, four hundred seventy-eight billion, twenty-four million, four hundred eighty-two thousand, six hundred ninety-eight".