400483276849 has 2 divisors, whose sum is σ = 400483276850. Its totient is φ = 400483276848.

The previous prime is 400483276807. The next prime is 400483276861. The reversal of 400483276849 is 948672384004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374613771249 + 25869505600 = 612057^2 + 160840^2 .

It is a cyclic number.

It is not a de Polignac number, because 400483276849 - 2⁹ = 400483276337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400483276849.

It is not a weakly prime, because it can be changed into another prime (400483277849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200241638424 + 200241638425.

It is an arithmetic number, because the mean of its divisors is an integer number (200241638425).

Almost surely, 2^400483276849 is an apocalyptic number.

It is an amenable number.

400483276849 is a deficient number, since it is larger than the sum of its proper divisors (1).

400483276849 is an equidigital number, since it uses as much as digits as its factorization.

400483276849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 400483276849 in words is "four hundred billion, four hundred eighty-three million, two hundred seventy-six thousand, eight hundred forty-nine".