21141462236 has 12 divisors (see below), whose sum is σ = 36999521328. Its totient is φ = 10570170432.

The previous prime is 21141462229. The next prime is 21141462269. The reversal of 21141462236 is 63226414112.

It is a super-2 number, since 2×21141462236² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 48701 + ... + 211316.

It is an arithmetic number, because the mean of its divisors is an integer number (3083293444).

Almost surely, 2^21141462236 is an apocalyptic number.

It is an amenable number.

21141462236 is a deficient number, since it is larger than the sum of its proper divisors (15858059092).

21141462236 is a wasteful number, since it uses less digits than its factorization.

21141462236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280348 (or 280346 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

Adding to 21141462236 its reverse (63226414112), we get a palindrome (84367876348).

The spelling of 21141462236 in words is "twenty-one billion, one hundred forty-one million, four hundred sixty-two thousand, two hundred thirty-six".