1814055959 has 2 divisors, whose sum is σ = 1814055960. Its totient is φ = 1814055958.

The previous prime is 1814055917. The next prime is 1814055973. The reversal of 1814055959 is 9595504181.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9595504181) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1814055959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1814055259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 907027979 + 907027980.

It is an arithmetic number, because the mean of its divisors is an integer number (907027980).

Almost surely, 2^1814055959 is an apocalyptic number.

1814055959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1814055959 is an equidigital number, since it uses as much as digits as its factorization.

1814055959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 47.

The square root of 1814055959 is about 42591.7358063745. The cubic root of 1814055959 is about 1219.5985329126.

The spelling of 1814055959 in words is "one billion, eight hundred fourteen million, fifty-five thousand, nine hundred fifty-nine".