418061043391 has 4 divisors (see below), whose sum is σ = 418067696800. Its totient is φ = 418054389984.

The previous prime is 418061043383. The next prime is 418061043427. The reversal of 418061043391 is 193340160814.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 418061043391 - 2³ = 418061043383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418061043341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231546 + ... + 3358423.

It is an arithmetic number, because the mean of its divisors is an integer number (104516924200).

Almost surely, 2^418061043391 is an apocalyptic number.

418061043391 is a deficient number, since it is larger than the sum of its proper divisors (6653409).

418061043391 is an equidigital number, since it uses as much as digits as its factorization.

418061043391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653408.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 418061043391 in words is "four hundred eighteen billion, sixty-one million, forty-three thousand, three hundred ninety-one".