400500547313 has 2 divisors, whose sum is σ = 400500547314. Its totient is φ = 400500547312.

The previous prime is 400500547297. The next prime is 400500547319. The reversal of 400500547313 is 313745005004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268435899664 + 132064647649 = 518108^2 + 363407^2 .

It is a cyclic number.

It is not a de Polignac number, because 400500547313 - 2⁴ = 400500547297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400500547313.

It is not a weakly prime, because it can be changed into another prime (400500547319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200250273656 + 200250273657.

It is an arithmetic number, because the mean of its divisors is an integer number (200250273657).

Almost surely, 2^400500547313 is an apocalyptic number.

It is an amenable number.

400500547313 is a deficient number, since it is larger than the sum of its proper divisors (1).

400500547313 is an equidigital number, since it uses as much as digits as its factorization.

400500547313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The spelling of 400500547313 in words is "four hundred billion, five hundred million, five hundred forty-seven thousand, three hundred thirteen".