21133413702 has 40 divisors (see below), whose sum is σ = 49413401136. Its totient is φ = 6738188688.

The previous prime is 21133413649. The next prime is 21133413731. The reversal of 21133413702 is 20731433112.

It is a happy number.

21133413702 is a `hidden beast` number, since 211 + 33 + 413 + 7 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2832213 + ... + 2839664.

Almost surely, 2^21133413702 is an apocalyptic number.

21133413702 is an abundant number, since it is smaller than the sum of its proper divisors (28279987434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21133413702 is a wasteful number, since it uses less digits than its factorization.

21133413702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671914 (or 5671905 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

Adding to 21133413702 its reverse (20731433112), we get a palindrome (41864846814).

The spelling of 21133413702 in words is "twenty-one billion, one hundred thirty-three million, four hundred thirteen thousand, seven hundred two".