21454375786130 has 16 divisors (see below), whose sum is σ = 44134715903040. Its totient is φ = 7355785983792.

The previous prime is 21454375786127. The next prime is 21454375786157. The reversal of 21454375786130 is 3168757345412.

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, 153245541260 + ... + 153245541399.

It is an arithmetic number, because the mean of its divisors is an integer number (2758419743940).

Almost surely, 2^{21454375786130} is an apocalyptic number.

21454375786130 is an abundant number, since it is smaller than the sum of its proper divisors (22680340116910).

21454375786130 is a wasteful number, since it uses less digits than its factorization.

21454375786130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306491082673.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 21454375786130 in words is "twenty-one trillion, four hundred fifty-four billion, three hundred seventy-five million, seven hundred eighty-six thousand, one hundred thirty".