404190514349 has 2 divisors, whose sum is σ = 404190514350. Its totient is φ = 404190514348.

The previous prime is 404190514279. The next prime is 404190514361. The reversal of 404190514349 is 943415091404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208216078249 + 195974436100 = 456307^2 + 442690^2 .

It is a cyclic number.

It is not a de Polignac number, because 404190514349 - 2¹² = 404190510253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404190514369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202095257174 + 202095257175.

It is an arithmetic number, because the mean of its divisors is an integer number (202095257175).

Almost surely, 2^404190514349 is an apocalyptic number.

It is an amenable number.

404190514349 is a deficient number, since it is larger than the sum of its proper divisors (1).

404190514349 is an equidigital number, since it uses as much as digits as its factorization.

404190514349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 404190514349 in words is "four hundred four billion, one hundred ninety million, five hundred fourteen thousand, three hundred forty-nine".