404252011454149 has 2 divisors, whose sum is σ = 404252011454150. Its totient is φ = 404252011454148.

The previous prime is 404252011454131. The next prime is 404252011454201. The reversal of 404252011454149 is 941454110252404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308740286994049 + 95511724460100 = 17571007^2 + 9773010^2 .

It is a cyclic number.

It is not a de Polignac number, because 404252011454149 - 2⁷ = 404252011454021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404252011454099 and 404252011454108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404252011454849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202126005727074 + 202126005727075.

It is an arithmetic number, because the mean of its divisors is an integer number (202126005727075).

Almost surely, 2^{404252011454149} is an apocalyptic number.

It is an amenable number.

404252011454149 is a deficient number, since it is larger than the sum of its proper divisors (1).

404252011454149 is an equidigital number, since it uses as much as digits as its factorization.

404252011454149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 404252011454149 in words is "four hundred four trillion, two hundred fifty-two billion, eleven million, four hundred fifty-four thousand, one hundred forty-nine".