400412113069 has 2 divisors, whose sum is σ = 400412113070. Its totient is φ = 400412113068.

The previous prime is 400412113027. The next prime is 400412113093. The reversal of 400412113069 is 960311214004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276821195044 + 123590918025 = 526138^2 + 351555^2 .

It is a cyclic number.

It is not a de Polignac number, because 400412113069 - 2¹³ = 400412104877 is a prime.

It is a super-2 number, since 2×400412113069² (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 400412113069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400412113099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200206056534 + 200206056535.

It is an arithmetic number, because the mean of its divisors is an integer number (200206056535).

Almost surely, 2^400412113069 is an apocalyptic number.

It is an amenable number.

400412113069 is a deficient number, since it is larger than the sum of its proper divisors (1).

400412113069 is an equidigital number, since it uses as much as digits as its factorization.

400412113069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 400412113069 in words is "four hundred billion, four hundred twelve million, one hundred thirteen thousand, sixty-nine".