21476643050441 has 64 divisors (see below), whose sum is σ = 23196375336960. Its totient is φ = 19849729536000.

The previous prime is 21476643050417. The next prime is 21476643050479. The reversal of 21476643050441 is 14405034667412.

It is not a de Polignac number, because 21476643050441 - 2¹⁰ = 21476643049417 is a prime.

It is a super-2 number, since 2×21476643050441² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21476643056441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11540376851 + ... + 11540378711.

It is an arithmetic number, because the mean of its divisors is an integer number (362443364640).

Almost surely, 2^{21476643050441} is an apocalyptic number.

It is an amenable number.

21476643050441 is a deficient number, since it is larger than the sum of its proper divisors (1719732286519).

21476643050441 is a wasteful number, since it uses less digits than its factorization.

21476643050441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 21476643050441 in words is "twenty-one trillion, four hundred seventy-six billion, six hundred forty-three million, fifty thousand, four hundred forty-one".