421367319 has 16 divisors (see below), whose sum is σ = 625202400. Its totient is φ = 280482048.

The previous prime is 421367311. The next prime is 421367327. The reversal of 421367319 is 913763124.

It is an interprime number because it is at equal distance from previous prime (421367311) and next prime (421367327).

It is not a de Polignac number, because 421367319 - 2³ = 421367311 is a prime.

It is a super-2 number, since 2×421367319² = 355100835042495522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421367311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6577 + ... + 29765.

It is an arithmetic number, because the mean of its divisors is an integer number (39075150).

Almost surely, 2^421367319 is an apocalyptic number.

421367319 is a deficient number, since it is larger than the sum of its proper divisors (203835081).

421367319 is a wasteful number, since it uses less digits than its factorization.

421367319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23871 (or 23865 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 421367319 is about 20527.2335934485. The cubic root of 421367319 is about 749.6990312399.

It can be divided in two parts, 42136 and 7319, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 421367319 in words is "four hundred twenty-one million, three hundred sixty-seven thousand, three hundred nineteen".