421096349 has 2 divisors, whose sum is σ = 421096350. Its totient is φ = 421096348.

The previous prime is 421096337. The next prime is 421096369. The reversal of 421096349 is 943690124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408444100 + 12652249 = 20210^2 + 3557^2 .

It is a cyclic number.

It is not a de Polignac number, because 421096349 - 2²⁴ = 404319133 is a prime.

It is a super-2 number, since 2×421096349² = 354644270282259602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421096309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210548174 + 210548175.

It is an arithmetic number, because the mean of its divisors is an integer number (210548175).

Almost surely, 2^421096349 is an apocalyptic number.

It is an amenable number.

421096349 is a deficient number, since it is larger than the sum of its proper divisors (1).

421096349 is an equidigital number, since it uses as much as digits as its factorization.

421096349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 421096349 is about 20520.6322758340. The cubic root of 421096349 is about 749.5382930124.

The spelling of 421096349 in words is "four hundred twenty-one million, ninety-six thousand, three hundred forty-nine".