418133209801 has 2 divisors, whose sum is σ = 418133209802. Its totient is φ = 418133209800.

The previous prime is 418133209799. The next prime is 418133209807. The reversal of 418133209801 is 108902331814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258913057225 + 159220152576 = 508835^2 + 399024^2 .

It is a cyclic number.

It is not a de Polignac number, because 418133209801 - 2¹ = 418133209799 is a prime.

It is a super-2 number, since 2×418133209801² (a number of 24 digits) contains 22 as substring.

Together with 418133209799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (418133209807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209066604900 + 209066604901.

It is an arithmetic number, because the mean of its divisors is an integer number (209066604901).

Almost surely, 2^418133209801 is an apocalyptic number.

It is an amenable number.

418133209801 is a deficient number, since it is larger than the sum of its proper divisors (1).

418133209801 is an equidigital number, since it uses as much as digits as its factorization.

418133209801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 418133209801 in words is "four hundred eighteen billion, one hundred thirty-three million, two hundred nine thousand, eight hundred one".