398831374111 has 2 divisors, whose sum is σ = 398831374112. Its totient is φ = 398831374110.

The previous prime is 398831374093. The next prime is 398831374219. The reversal of 398831374111 is 111473138893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398831374111 - 2¹⁵ = 398831341343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398831372111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199415687055 + 199415687056.

It is an arithmetic number, because the mean of its divisors is an integer number (199415687056).

Almost surely, 2^398831374111 is an apocalyptic number.

398831374111 is a deficient number, since it is larger than the sum of its proper divisors (1).

398831374111 is an equidigital number, since it uses as much as digits as its factorization.

398831374111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The spelling of 398831374111 in words is "three hundred ninety-eight billion, eight hundred thirty-one million, three hundred seventy-four thousand, one hundred eleven".