21532430422354 has 8 divisors (see below), whose sum is σ = 32342116222080. Its totient is φ = 10751725014996.

The previous prime is 21532430422337. The next prime is 21532430422427. The reversal of 21532430422354 is 45322403423512.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7245096234 + ... + 7245099205.

It is an arithmetic number, because the mean of its divisors is an integer number (4042764527760).

Almost surely, 2^{21532430422354} is an apocalyptic number.

21532430422354 is a deficient number, since it is larger than the sum of its proper divisors (10809685799726).

21532430422354 is a wasteful number, since it uses less digits than its factorization.

21532430422354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14490196184.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 21532430422354 its reverse (45322403423512), we get a palindrome (66854833845866).

The spelling of 21532430422354 in words is "twenty-one trillion, five hundred thirty-two billion, four hundred thirty million, four hundred twenty-two thousand, three hundred fifty-four".