10405650401 has 4 divisors (see below), whose sum is σ = 10405950000. Its totient is φ = 10405350804.

The previous prime is 10405650379. The next prime is 10405650403.

10405650401 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10405650401 - 2⁶ = 10405650337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10405650403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89651 + ... + 169848.

It is an arithmetic number, because the mean of its divisors is an integer number (2601487500).

Almost surely, 2^10405650401 is an apocalyptic number.

It is an amenable number.

10405650401 is a deficient number, since it is larger than the sum of its proper divisors (299599).

10405650401 is an equidigital number, since it uses as much as digits as its factorization.

10405650401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299598.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 10405650401 in words is "ten billion, four hundred five million, six hundred fifty thousand, four hundred one".