21073642483102 has 32 divisors (see below), whose sum is σ = 36299538547200. Its totient is φ = 9074663913600.

The previous prime is 21073642483067. The next prime is 21073642483111. The reversal of 21073642483102 is 20138424637012.

It is a congruent number.

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, 40639899 + ... + 41155177.

It is an arithmetic number, because the mean of its divisors is an integer number (1134360579600).

Almost surely, 2^{21073642483102} is an apocalyptic number.

21073642483102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21073642483102 is a deficient number, since it is larger than the sum of its proper divisors (15225896064098).

21073642483102 is a wasteful number, since it uses less digits than its factorization.

21073642483102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613152.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 21073642483102 in words is "twenty-one trillion, seventy-three billion, six hundred forty-two million, four hundred eighty-three thousand, one hundred two".