41151421217 has 2 divisors, whose sum is σ = 41151421218. Its totient is φ = 41151421216.

The previous prime is 41151421189. The next prime is 41151421249. The reversal of 41151421217 is 71212415114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40134512896 + 1016908321 = 200336^2 + 31889^2 .

It is a cyclic number.

It is not a de Polignac number, because 41151421217 - 2⁶ = 41151421153 is a prime.

It is a super-2 number, since 2×41151421217² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41151421217.

It is not a weakly prime, because it can be changed into another prime (41151421117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20575710608 + 20575710609.

It is an arithmetic number, because the mean of its divisors is an integer number (20575710609).

Almost surely, 2^41151421217 is an apocalyptic number.

It is an amenable number.

41151421217 is a deficient number, since it is larger than the sum of its proper divisors (1).

41151421217 is an equidigital number, since it uses as much as digits as its factorization.

41151421217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 29.

The spelling of 41151421217 in words is "forty-one billion, one hundred fifty-one million, four hundred twenty-one thousand, two hundred seventeen".