21196108414 has 16 divisors (see below), whose sum is σ = 35074987920. Its totient is φ = 9544213440.

The previous prime is 21196108411. The next prime is 21196108421. The reversal of 21196108414 is 41480169112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21196108411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9940824 + ... + 9942955.

It is an arithmetic number, because the mean of its divisors is an integer number (2192186745).

Almost surely, 2^21196108414 is an apocalyptic number.

21196108414 is a deficient number, since it is larger than the sum of its proper divisors (13878879506).

21196108414 is a wasteful number, since it uses less digits than its factorization.

21196108414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19883835.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 21196108414 in words is "twenty-one billion, one hundred ninety-six million, one hundred eight thousand, four hundred fourteen".