21069409846341 has 16 divisors (see below), whose sum is σ = 29314424594304. Its totient is φ = 13435353459264.

The previous prime is 21069409846337. The next prime is 21069409846343. The reversal of 21069409846341 is 14364890496012.

It is not a de Polignac number, because 21069409846341 - 2² = 21069409846337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21069409846343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2047095 + ... + 6806571.

It is an arithmetic number, because the mean of its divisors is an integer number (1832151537144).

Almost surely, 2^{21069409846341} is an apocalyptic number.

It is an amenable number.

21069409846341 is a deficient number, since it is larger than the sum of its proper divisors (8245014747963).

21069409846341 is a wasteful number, since it uses less digits than its factorization.

21069409846341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823660.

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 21069409846341 in words is "twenty-one trillion, sixty-nine billion, four hundred nine million, eight hundred forty-six thousand, three hundred forty-one".