419148643 has 2 divisors, whose sum is σ = 419148644. Its totient is φ = 419148642.

The previous prime is 419148599. The next prime is 419148647. The reversal of 419148643 is 346841914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 419148643 - 2²⁵ = 385594211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 419148596 and 419148605.

It is not a weakly prime, because it can be changed into another prime (419148647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209574321 + 209574322.

It is an arithmetic number, because the mean of its divisors is an integer number (209574322).

Almost surely, 2^419148643 is an apocalyptic number.

419148643 is a deficient number, since it is larger than the sum of its proper divisors (1).

419148643 is an equidigital number, since it uses as much as digits as its factorization.

419148643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 419148643 is about 20473.1200113710. The cubic root of 419148643 is about 748.3808881882.

The spelling of 419148643 in words is "four hundred nineteen million, one hundred forty-eight thousand, six hundred forty-three".