1408646436077 has 2 divisors, whose sum is σ = 1408646436078. Its totient is φ = 1408646436076.

The previous prime is 1408646436061. The next prime is 1408646436089. The reversal of 1408646436077 is 7706346468041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1307102877796 + 101543558281 = 1143286^2 + 318659^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408646436077 - 2⁴ = 1408646436061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1408646436007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704323218038 + 704323218039.

It is an arithmetic number, because the mean of its divisors is an integer number (704323218039).

Almost surely, 2^{1408646436077} is an apocalyptic number.

It is an amenable number.

1408646436077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408646436077 is an equidigital number, since it uses as much as digits as its factorization.

1408646436077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16257024, while the sum is 56.

The spelling of 1408646436077 in words is "one trillion, four hundred eight billion, six hundred forty-six million, four hundred thirty-six thousand, seventy-seven".