21411574342 has 4 divisors (see below), whose sum is σ = 32117361516. Its totient is φ = 10705787170.

The previous prime is 21411574339. The next prime is 21411574369. The reversal of 21411574342 is 24347511412.

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

It is a super-3 number, since 3×21411574342³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21411574298 and 21411574307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5352893584 + ... + 5352893587.

It is an arithmetic number, because the mean of its divisors is an integer number (8029340379).

Almost surely, 2^21411574342 is an apocalyptic number.

21411574342 is a deficient number, since it is larger than the sum of its proper divisors (10705787174).

21411574342 is a wasteful number, since it uses less digits than its factorization.

21411574342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705787173.

The product of its digits is 26880, while the sum is 34.

The spelling of 21411574342 in words is "twenty-one billion, four hundred eleven million, five hundred seventy-four thousand, three hundred forty-two".