421149319 has 2 divisors, whose sum is σ = 421149320. Its totient is φ = 421149318.

The previous prime is 421149317. The next prime is 421149329. The reversal of 421149319 is 913941124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421149319 - 2¹ = 421149317 is a prime.

It is a super-2 number, since 2×421149319² = 354733497788327522, which contains 22 as substring.

Together with 421149317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421149317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210574659 + 210574660.

It is an arithmetic number, because the mean of its divisors is an integer number (210574660).

Almost surely, 2^421149319 is an apocalyptic number.

421149319 is a deficient number, since it is larger than the sum of its proper divisors (1).

421149319 is an equidigital number, since it uses as much as digits as its factorization.

421149319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 421149319 is about 20521.9228874879. The cubic root of 421149319 is about 749.5697200075.

The spelling of 421149319 in words is "four hundred twenty-one million, one hundred forty-nine thousand, three hundred nineteen".