406696495841 has 2 divisors, whose sum is σ = 406696495842. Its totient is φ = 406696495840.

The previous prime is 406696495837. The next prime is 406696495847. The reversal of 406696495841 is 148594696604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406431750400 + 264745441 = 637520^2 + 16271^2 .

It is a cyclic number.

It is not a de Polignac number, because 406696495841 - 2² = 406696495837 is a prime.

It is not a weakly prime, because it can be changed into another prime (406696495847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203348247920 + 203348247921.

It is an arithmetic number, because the mean of its divisors is an integer number (203348247921).

Almost surely, 2^406696495841 is an apocalyptic number.

It is an amenable number.

406696495841 is a deficient number, since it is larger than the sum of its proper divisors (1).

406696495841 is an equidigital number, since it uses as much as digits as its factorization.

406696495841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 406696495841 in words is "four hundred six billion, six hundred ninety-six million, four hundred ninety-five thousand, eight hundred forty-one".