2404431020149 has 2 divisors, whose sum is σ = 2404431020150. Its totient is φ = 2404431020148.

The previous prime is 2404431020071. The next prime is 2404431020171. The reversal of 2404431020149 is 9410201344042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2114136356049 + 290294664100 = 1454007^2 + 538790^2 .

It is a cyclic number.

It is not a de Polignac number, because 2404431020149 - 2⁹ = 2404431019637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2404431020249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202215510074 + 1202215510075.

It is an arithmetic number, because the mean of its divisors is an integer number (1202215510075).

Almost surely, 2^{2404431020149} is an apocalyptic number.

It is an amenable number.

2404431020149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404431020149 is an equidigital number, since it uses as much as digits as its factorization.

2404431020149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 2404431020149 in words is "two trillion, four hundred four billion, four hundred thirty-one million, twenty thousand, one hundred forty-nine".