418378379 has 2 divisors, whose sum is σ = 418378380. Its totient is φ = 418378378.

The previous prime is 418378361. The next prime is 418378417. The reversal of 418378379 is 973873814.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418378379 is a prime.

It is not a weakly prime, because it can be changed into another prime (418372379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209189189 + 209189190.

It is an arithmetic number, because the mean of its divisors is an integer number (209189190).

Almost surely, 2^418378379 is an apocalyptic number.

418378379 is a deficient number, since it is larger than the sum of its proper divisors (1).

418378379 is an equidigital number, since it uses as much as digits as its factorization.

418378379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The square root of 418378379 is about 20454.2997680194. The cubic root of 418378379 is about 747.9221771485.

The spelling of 418378379 in words is "four hundred eighteen million, three hundred seventy-eight thousand, three hundred seventy-nine".