400317650353 has 2 divisors, whose sum is σ = 400317650354. Its totient is φ = 400317650352.

The previous prime is 400317650347. The next prime is 400317650363. The reversal of 400317650353 is 353056713004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387197551504 + 13120098849 = 622252^2 + 114543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400317650353 is a prime.

It is a super-2 number, since 2×400317650353² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (400317650363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200158825176 + 200158825177.

It is an arithmetic number, because the mean of its divisors is an integer number (200158825177).

Almost surely, 2^400317650353 is an apocalyptic number.

It is an amenable number.

400317650353 is a deficient number, since it is larger than the sum of its proper divisors (1).

400317650353 is an equidigital number, since it uses as much as digits as its factorization.

400317650353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 37.

The spelling of 400317650353 in words is "four hundred billion, three hundred seventeen million, six hundred fifty thousand, three hundred fifty-three".