21410131013473 has 2 divisors, whose sum is σ = 21410131013474. Its totient is φ = 21410131013472.

The previous prime is 21410131013423. The next prime is 21410131013489. The reversal of 21410131013473 is 37431013101412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14548602233169 + 6861528780304 = 3814263^2 + 2619452^2 .

It is a cyclic number.

It is not a de Polignac number, because 21410131013473 - 2⁹ = 21410131012961 is a prime.

It is not a weakly prime, because it can be changed into another prime (21410131013423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705065506736 + 10705065506737.

It is an arithmetic number, because the mean of its divisors is an integer number (10705065506737).

Almost surely, 2^{21410131013473} is an apocalyptic number.

It is an amenable number.

21410131013473 is a deficient number, since it is larger than the sum of its proper divisors (1).

21410131013473 is an equidigital number, since it uses as much as digits as its factorization.

21410131013473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 21410131013473 its reverse (37431013101412), we get a palindrome (58841144114885).

The spelling of 21410131013473 in words is "twenty-one trillion, four hundred ten billion, one hundred thirty-one million, thirteen thousand, four hundred seventy-three".