21672413062301 has 2 divisors, whose sum is σ = 21672413062302. Its totient is φ = 21672413062300.

The previous prime is 21672413062253. The next prime is 21672413062357. The reversal of 21672413062301 is 10326031427612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21666371731225 + 6041331076 = 4654715^2 + 77726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21672413062301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21672413062801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10836206531150 + 10836206531151.

It is an arithmetic number, because the mean of its divisors is an integer number (10836206531151).

Almost surely, 2^{21672413062301} is an apocalyptic number.

It is an amenable number.

21672413062301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21672413062301 is an equidigital number, since it uses as much as digits as its factorization.

21672413062301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

Adding to 21672413062301 its reverse (10326031427612), we get a palindrome (31998444489913).

The spelling of 21672413062301 in words is "twenty-one trillion, six hundred seventy-two billion, four hundred thirteen million, sixty-two thousand, three hundred one".