345636419 has 2 divisors, whose sum is σ = 345636420. Its totient is φ = 345636418.

The previous prime is 345636407. The next prime is 345636439. The reversal of 345636419 is 914636543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345636419 is a prime.

It is a super-2 number, since 2×345636419² = 238929068278287122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (345636439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172818209 + 172818210.

It is an arithmetic number, because the mean of its divisors is an integer number (172818210).

Almost surely, 2^345636419 is an apocalyptic number.

345636419 is a deficient number, since it is larger than the sum of its proper divisors (1).

345636419 is an equidigital number, since it uses as much as digits as its factorization.

345636419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 345636419 is about 18591.2995511341. The cubic root of 345636419 is about 701.7889067224.

The spelling of 345636419 in words is "three hundred forty-five million, six hundred thirty-six thousand, four hundred nineteen".