400368483847 has 2 divisors, whose sum is σ = 400368483848. Its totient is φ = 400368483846.

The previous prime is 400368483799. The next prime is 400368483887. The reversal of 400368483847 is 748384863004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400368483847 - 2²⁷ = 400234266119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400368483887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200184241923 + 200184241924.

It is an arithmetic number, because the mean of its divisors is an integer number (200184241924).

Almost surely, 2^400368483847 is an apocalyptic number.

400368483847 is a deficient number, since it is larger than the sum of its proper divisors (1).

400368483847 is an equidigital number, since it uses as much as digits as its factorization.

400368483847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12386304, while the sum is 55.

The spelling of 400368483847 in words is "four hundred billion, three hundred sixty-eight million, four hundred eighty-three thousand, eight hundred forty-seven".