400707373273 has 2 divisors, whose sum is σ = 400707373274. Its totient is φ = 400707373272.

The previous prime is 400707373267. The next prime is 400707373427. The reversal of 400707373273 is 372373707004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365351340249 + 35356033024 = 604443^2 + 188032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400707373273 is a prime.

It is not a weakly prime, because it can be changed into another prime (400707373673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200353686636 + 200353686637.

It is an arithmetic number, because the mean of its divisors is an integer number (200353686637).

Almost surely, 2^400707373273 is an apocalyptic number.

It is an amenable number.

400707373273 is a deficient number, since it is larger than the sum of its proper divisors (1).

400707373273 is an equidigital number, since it uses as much as digits as its factorization.

400707373273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518616, while the sum is 43.

The spelling of 400707373273 in words is "four hundred billion, seven hundred seven million, three hundred seventy-three thousand, two hundred seventy-three".