41454185279869 has 2 divisors, whose sum is σ = 41454185279870. Its totient is φ = 41454185279868.

The previous prime is 41454185279803. The next prime is 41454185279971. The reversal of 41454185279869 is 96897258145414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25379297857369 + 16074887422500 = 5037787^2 + 4009350^2 .

It is a cyclic number.

It is not a de Polignac number, because 41454185279869 - 2¹¹ = 41454185277821 is a prime.

It is a super-2 number, since 2×41454185279869² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41454185271869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20727092639934 + 20727092639935.

It is an arithmetic number, because the mean of its divisors is an integer number (20727092639935).

Almost surely, 2^{41454185279869} is an apocalyptic number.

It is an amenable number.

41454185279869 is a deficient number, since it is larger than the sum of its proper divisors (1).

41454185279869 is an equidigital number, since it uses as much as digits as its factorization.

41454185279869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 696729600, while the sum is 73.

The spelling of 41454185279869 in words is "forty-one trillion, four hundred fifty-four billion, one hundred eighty-five million, two hundred seventy-nine thousand, eight hundred sixty-nine".