21910552314 has 32 divisors (see below), whose sum is σ = 50684659200. Its totient is φ = 6184733232.

The previous prime is 21910552273. The next prime is 21910552333. The reversal of 21910552314 is 41325501912.

It is a happy 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, 3139164 + ... + 3146135.

It is an arithmetic number, because the mean of its divisors is an integer number (1583895600).

Almost surely, 2^21910552314 is an apocalyptic number.

21910552314 is an abundant number, since it is smaller than the sum of its proper divisors (28774106886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21910552314 is a wasteful number, since it uses less digits than its factorization.

21910552314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285394.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 21910552314 in words is "twenty-one billion, nine hundred ten million, five hundred fifty-two thousand, three hundred fourteen".