21411474314 has 4 divisors (see below), whose sum is σ = 32117211474. Its totient is φ = 10705737156.

The previous prime is 21411474283. The next prime is 21411474317. The reversal of 21411474314 is 41347411412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19366897225 + 2044577089 = 139165^2 + 45217^2 .

It is not an unprimeable number, because it can be changed into a prime (21411474317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5352868577 + ... + 5352868580.

Almost surely, 2^21411474314 is an apocalyptic number.

21411474314 is a deficient number, since it is larger than the sum of its proper divisors (10705737160).

21411474314 is a wasteful number, since it uses less digits than its factorization.

21411474314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705737159.

The product of its digits is 10752, while the sum is 32.

Adding to 21411474314 its reverse (41347411412), we get a palindrome (62758885726).

The spelling of 21411474314 in words is "twenty-one billion, four hundred eleven million, four hundred seventy-four thousand, three hundred fourteen".