83418406811 has 2 divisors, whose sum is σ = 83418406812. Its totient is φ = 83418406810.

The previous prime is 83418406769. The next prime is 83418406837. The reversal of 83418406811 is 11860481438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83418406811 - 2²² = 83414212507 is a prime.

It is not a weakly prime, because it can be changed into another prime (83418406861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41709203405 + 41709203406.

It is an arithmetic number, because the mean of its divisors is an integer number (41709203406).

Almost surely, 2^83418406811 is an apocalyptic number.

83418406811 is a deficient number, since it is larger than the sum of its proper divisors (1).

83418406811 is an equidigital number, since it uses as much as digits as its factorization.

83418406811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 83418406811 in words is "eighty-three billion, four hundred eighteen million, four hundred six thousand, eight hundred eleven".