745409419 has 2 divisors, whose sum is σ = 745409420. Its totient is φ = 745409418.

The previous prime is 745409383. The next prime is 745409449. The reversal of 745409419 is 914904547.

745409419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745409419 is a prime.

It is a super-2 number, since 2×745409419² = 1111270403867835122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (745409449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372704709 + 372704710.

It is an arithmetic number, because the mean of its divisors is an integer number (372704710).

Almost surely, 2^745409419 is an apocalyptic number.

745409419 is a deficient number, since it is larger than the sum of its proper divisors (1).

745409419 is an equidigital number, since it uses as much as digits as its factorization.

745409419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 745409419 is about 27302.1870735661. The cubic root of 745409419 is about 906.7028038659.

The spelling of 745409419 in words is "seven hundred forty-five million, four hundred nine thousand, four hundred nineteen".