21452107417627 has 2 divisors, whose sum is σ = 21452107417628. Its totient is φ = 21452107417626.

The previous prime is 21452107417613. The next prime is 21452107417757. The reversal of 21452107417627 is 72671470125412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21452107417627 - 2¹¹ = 21452107415579 is a prime.

It is a super-2 number, since 2×21452107417627² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21452107417327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10726053708813 + 10726053708814.

It is an arithmetic number, because the mean of its divisors is an integer number (10726053708814).

Almost surely, 2^{21452107417627} is an apocalyptic number.

21452107417627 is a deficient number, since it is larger than the sum of its proper divisors (1).

21452107417627 is an equidigital number, since it uses as much as digits as its factorization.

21452107417627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 21452107417627 in words is "twenty-one trillion, four hundred fifty-two billion, one hundred seven million, four hundred seventeen thousand, six hundred twenty-seven".