41857817459 has 2 divisors, whose sum is σ = 41857817460. Its totient is φ = 41857817458.

The previous prime is 41857817429. The next prime is 41857817497. The reversal of 41857817459 is 95471875814.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41857817459 - 2²⁰ = 41856768883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41857817398 and 41857817407.

It is not a weakly prime, because it can be changed into another prime (41857817429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20928908729 + 20928908730.

It is an arithmetic number, because the mean of its divisors is an integer number (20928908730).

Almost surely, 2^41857817459 is an apocalyptic number.

41857817459 is a deficient number, since it is larger than the sum of its proper divisors (1).

41857817459 is an equidigital number, since it uses as much as digits as its factorization.

41857817459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 59.

The spelling of 41857817459 in words is "forty-one billion, eight hundred fifty-seven million, eight hundred seventeen thousand, four hundred fifty-nine".