400984473311 has 2 divisors, whose sum is σ = 400984473312. Its totient is φ = 400984473310.

The previous prime is 400984473139. The next prime is 400984473319. The reversal of 400984473311 is 113374489004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400984473311 - 2³⁸ = 126106566367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400984473319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200492236655 + 200492236656.

It is an arithmetic number, because the mean of its divisors is an integer number (200492236656).

Almost surely, 2^400984473311 is an apocalyptic number.

400984473311 is a deficient number, since it is larger than the sum of its proper divisors (1).

400984473311 is an equidigital number, since it uses as much as digits as its factorization.

400984473311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 400984473311 in words is "four hundred billion, nine hundred eighty-four million, four hundred seventy-three thousand, three hundred eleven".