21530764232362 has 32 divisors (see below), whose sum is σ = 41122034380800. Its totient is φ = 8210128386480.

The previous prime is 21530764232267. The next prime is 21530764232399. The reversal of 21530764232362 is 26323246703512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1487334862 + ... + 1487349337.

It is an arithmetic number, because the mean of its divisors is an integer number (1285063574400).

Almost surely, 2^{21530764232362} is an apocalyptic number.

21530764232362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21530764232362 is a deficient number, since it is larger than the sum of its proper divisors (19591270148438).

21530764232362 is a wasteful number, since it uses less digits than its factorization.

21530764232362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974684266.

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 21530764232362 in words is "twenty-one trillion, five hundred thirty billion, seven hundred sixty-four million, two hundred thirty-two thousand, three hundred sixty-two".