405888967973 has 2 divisors, whose sum is σ = 405888967974. Its totient is φ = 405888967972.

The previous prime is 405888967969. The next prime is 405888968029. The reversal of 405888967973 is 379769888504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233658157924 + 172230810049 = 483382^2 + 415007^2 .

It is a cyclic number.

It is not a de Polignac number, because 405888967973 - 2² = 405888967969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 405888967973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405888967943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202944483986 + 202944483987.

It is an arithmetic number, because the mean of its divisors is an integer number (202944483987).

Almost surely, 2^405888967973 is an apocalyptic number.

It is an amenable number.

405888967973 is a deficient number, since it is larger than the sum of its proper divisors (1).

405888967973 is an equidigital number, since it uses as much as digits as its factorization.

405888967973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 731566080, while the sum is 74.

The spelling of 405888967973 in words is "four hundred five billion, eight hundred eighty-eight million, nine hundred sixty-seven thousand, nine hundred seventy-three".