21410442412 has 6 divisors (see below), whose sum is σ = 37468274228. Its totient is φ = 10705221204.

The previous prime is 21410442409. The next prime is 21410442499. The reversal of 21410442412 is 21424401412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2676305298 + ... + 2676305305.

Almost surely, 2^21410442412 is an apocalyptic number.

It is an amenable number.

21410442412 is a deficient number, since it is larger than the sum of its proper divisors (16057831816).

21410442412 is a wasteful number, since it uses less digits than its factorization.

21410442412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352610607 (or 5352610605 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 21410442412 its reverse (21424401412), we get a palindrome (42834843824).

The spelling of 21410442412 in words is "twenty-one billion, four hundred ten million, four hundred forty-two thousand, four hundred twelve".