21930348893462 has 32 divisors (see below), whose sum is σ = 33942783853440. Its totient is φ = 10621004252800.

The previous prime is 21930348893389. The next prime is 21930348893471. The reversal of 21930348893462 is 26439884303912.

It is a junction number, because it is equal to n+sod(n) for n = 21930348893395 and 21930348893404.

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, 21421448 + ... + 22421844.

It is an arithmetic number, because the mean of its divisors is an integer number (1060711995420).

Almost surely, 2^{21930348893462} is an apocalyptic number.

21930348893462 is a deficient number, since it is larger than the sum of its proper divisors (12012434959978).

21930348893462 is a wasteful number, since it uses less digits than its factorization.

21930348893462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002856.

The product of its (nonzero) digits is 53747712, while the sum is 62.

The spelling of 21930348893462 in words is "twenty-one trillion, nine hundred thirty billion, three hundred forty-eight million, eight hundred ninety-three thousand, four hundred sixty-two".