64367419 has 2 divisors, whose sum is σ = 64367420. Its totient is φ = 64367418.

The previous prime is 64367351. The next prime is 64367437. The reversal of 64367419 is 91476346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64367419 - 2¹³ = 64359227 is a prime.

It is a super-2 number, since 2×64367419² = 8286329257443122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64367489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32183709 + 32183710.

It is an arithmetic number, because the mean of its divisors is an integer number (32183710).

Almost surely, 2^64367419 is an apocalyptic number.

64367419 is a deficient number, since it is larger than the sum of its proper divisors (1).

64367419 is an equidigital number, since it uses as much as digits as its factorization.

64367419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 64367419 is about 8022.9308235831. The cubic root of 64367419 is about 400.7639960959.

The spelling of 64367419 in words is "sixty-four million, three hundred sixty-seven thousand, four hundred nineteen".