434148983 has 2 divisors, whose sum is σ = 434148984. Its totient is φ = 434148982.

The previous prime is 434148961. The next prime is 434148991. The reversal of 434148983 is 389841434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434148983 - 2²⁰ = 433100407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434148083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217074491 + 217074492.

It is an arithmetic number, because the mean of its divisors is an integer number (217074492).

Almost surely, 2^434148983 is an apocalyptic number.

434148983 is a deficient number, since it is larger than the sum of its proper divisors (1).

434148983 is an equidigital number, since it uses as much as digits as its factorization.

434148983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 44.

The square root of 434148983 is about 20836.2420556107. The cubic root of 434148983 is about 757.2040520289.

The spelling of 434148983 in words is "four hundred thirty-four million, one hundred forty-eight thousand, nine hundred eighty-three".