21413777371298 has 24 divisors (see below), whose sum is σ = 34782814834128. Its totient is φ = 9882922354032.

The previous prime is 21413777371249. The next prime is 21413777371387. The reversal of 21413777371298 is 89217377731412.

It is a happy number.

It is a super-2 number, since 2×21413777371298² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21413777371298.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8267165 + ... + 10543887.

It is an arithmetic number, because the mean of its divisors is an integer number (1449283951422).

Almost surely, 2^{21413777371298} is an apocalyptic number.

21413777371298 is a deficient number, since it is larger than the sum of its proper divisors (13369037462830).

21413777371298 is a wasteful number, since it uses less digits than its factorization.

21413777371298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304578 (or 2304565 counting only the distinct ones).

The product of its digits is 24893568, while the sum is 62.

The spelling of 21413777371298 in words is "twenty-one trillion, four hundred thirteen billion, seven hundred seventy-seven million, three hundred seventy-one thousand, two hundred ninety-eight".