21484005374 has 32 divisors (see below), whose sum is σ = 36931204800. Its totient is φ = 9285484032.

The previous prime is 21484005373. The next prime is 21484005421. The reversal of 21484005374 is 47350048412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21484005373) 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, 34169 + ... + 210084.

It is an arithmetic number, because the mean of its divisors is an integer number (1154100150).

Almost surely, 2^21484005374 is an apocalyptic number.

21484005374 is a deficient number, since it is larger than the sum of its proper divisors (15447199426).

21484005374 is a wasteful number, since it uses less digits than its factorization.

21484005374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244484.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 21484005374 in words is "twenty-one billion, four hundred eighty-four million, five thousand, three hundred seventy-four".