21474093341869 has 8 divisors (see below), whose sum is σ = 24542314296768. Its totient is φ = 18405995720640.

The previous prime is 21474093341867. The next prime is 21474093341963. The reversal of 21474093341869 is 96814339047412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21474093341869 - 2¹ = 21474093341867 is a prime.

It is a super-2 number, since 2×21474093341869² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21474093341867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30460012 + ... + 31157029.

It is an arithmetic number, because the mean of its divisors is an integer number (3067789287096).

Almost surely, 2^{21474093341869} is an apocalyptic number.

It is an amenable number.

21474093341869 is a deficient number, since it is larger than the sum of its proper divisors (3068220954899).

21474093341869 is an equidigital number, since it uses as much as digits as its factorization.

21474093341869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61666835.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 21474093341869 in words is "twenty-one trillion, four hundred seventy-four billion, ninety-three million, three hundred forty-one thousand, eight hundred sixty-nine".