400312964743 has 2 divisors, whose sum is σ = 400312964744. Its totient is φ = 400312964742.

The previous prime is 400312964731. The next prime is 400312964747. The reversal of 400312964743 is 347469213004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400312964743 - 2⁹ = 400312964231 is a prime.

It is a super-2 number, since 2×400312964743² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400312964743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400312964747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200156482371 + 200156482372.

It is an arithmetic number, because the mean of its divisors is an integer number (200156482372).

Almost surely, 2^400312964743 is an apocalyptic number.

400312964743 is a deficient number, since it is larger than the sum of its proper divisors (1).

400312964743 is an equidigital number, since it uses as much as digits as its factorization.

400312964743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 400312964743 in words is "four hundred billion, three hundred twelve million, nine hundred sixty-four thousand, seven hundred forty-three".