407680143809 has 2 divisors, whose sum is σ = 407680143810. Its totient is φ = 407680143808.

The previous prime is 407680143769. The next prime is 407680143817. The reversal of 407680143809 is 908341086704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234107919409 + 173572224400 = 483847^2 + 416620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407680143809 is a prime.

It is a super-2 number, since 2×407680143809² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (407680149809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203840071904 + 203840071905.

It is an arithmetic number, because the mean of its divisors is an integer number (203840071905).

Almost surely, 2^407680143809 is an apocalyptic number.

It is an amenable number.

407680143809 is a deficient number, since it is larger than the sum of its proper divisors (1).

407680143809 is an equidigital number, since it uses as much as digits as its factorization.

407680143809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 407680143809 in words is "four hundred seven billion, six hundred eighty million, one hundred forty-three thousand, eight hundred nine".