400505415362963 has 2 divisors, whose sum is σ = 400505415362964. Its totient is φ = 400505415362962.

The previous prime is 400505415362957. The next prime is 400505415363029. The reversal of 400505415362963 is 369263514505004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400505415362963 - 2¹⁰ = 400505415361939 is a prime.

It is not a weakly prime, because it can be changed into another prime (400505415362863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200252707681481 + 200252707681482.

It is an arithmetic number, because the mean of its divisors is an integer number (200252707681482).

Almost surely, 2^{400505415362963} is an apocalyptic number.

400505415362963 is a deficient number, since it is larger than the sum of its proper divisors (1).

400505415362963 is an equidigital number, since it uses as much as digits as its factorization.

400505415362963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664000, while the sum is 53.

Adding to 400505415362963 its reverse (369263514505004), we get a palindrome (769768929867967).

The spelling of 400505415362963 in words is "four hundred trillion, five hundred five billion, four hundred fifteen million, three hundred sixty-two thousand, nine hundred sixty-three".