11421899466 has 8 divisors (see below), whose sum is σ = 22843798944. Its totient is φ = 3807299820.

The previous prime is 11421899459. The next prime is 11421899471. The reversal of 11421899466 is 66499812411.

It is a sphenic number, since it is the product of 3 distinct primes.

11421899466 is an admirable number.

It is a super-2 number, since 2×11421899466² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951824950 + ... + 951824961.

It is an arithmetic number, because the mean of its divisors is an integer number (2855474868).

Almost surely, 2^11421899466 is an apocalyptic number.

11421899466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11421899466 is a wasteful number, since it uses less digits than its factorization.

11421899466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903649916.

The product of its digits is 746496, while the sum is 51.

The spelling of 11421899466 in words is "eleven billion, four hundred twenty-one million, eight hundred ninety-nine thousand, four hundred sixty-six".