21734587601382 has 16 divisors (see below), whose sum is σ = 43729469667072. Its totient is φ = 7201480123080.

The previous prime is 21734587601281. The next prime is 21734587601399. The reversal of 21734587601382 is 28310678543712.

It is a happy number.

It is a congruent 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, 10845601594 + ... + 10845603597.

It is an arithmetic number, because the mean of its divisors is an integer number (2733091854192).

Almost surely, 2^{21734587601382} is an apocalyptic number.

21734587601382 is an abundant number, since it is smaller than the sum of its proper divisors (21994882065690).

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

21734587601382 is a wasteful number, since it uses less digits than its factorization.

21734587601382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21691205363.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 21734587601382 in words is "twenty-one trillion, seven hundred thirty-four billion, five hundred eighty-seven million, six hundred one thousand, three hundred eighty-two".