21411457199 has 8 divisors (see below), whose sum is σ = 23397752448. Its totient is φ = 19431795160.

The previous prime is 21411457187. The next prime is 21411457201. The reversal of 21411457199 is 99175411412.

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

It is a cyclic number.

It is not a de Polignac number, because 21411457199 - 2¹² = 21411453103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21411457139) 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, 1651547 + ... + 1664460.

It is an arithmetic number, because the mean of its divisors is an integer number (2924719056).

Almost surely, 2^21411457199 is an apocalyptic number.

21411457199 is a deficient number, since it is larger than the sum of its proper divisors (1986295249).

21411457199 is a wasteful number, since it uses less digits than its factorization.

21411457199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316605.

The product of its digits is 90720, while the sum is 44.

The spelling of 21411457199 in words is "twenty-one billion, four hundred eleven million, four hundred fifty-seven thousand, one hundred ninety-nine".