21470734576342 has 8 divisors (see below), whose sum is σ = 32206134916296. Its totient is φ = 10735356270912.

The previous prime is 21470734576283. The next prime is 21470734576439. The reversal of 21470734576342 is 24367543707412.

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

It is a super-2 number, since 2×21470734576342² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 2807748 + ... + 7129159.

It is an arithmetic number, because the mean of its divisors is an integer number (4025766864537).

Almost surely, 2^{21470734576342} is an apocalyptic number.

21470734576342 is a deficient number, since it is larger than the sum of its proper divisors (10735400339954).

21470734576342 is a wasteful number, since it uses less digits than its factorization.

21470734576342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017262.

The product of its (nonzero) digits is 23708160, while the sum is 55.

The spelling of 21470734576342 in words is "twenty-one trillion, four hundred seventy billion, seven hundred thirty-four million, five hundred seventy-six thousand, three hundred forty-two".