2355439783 has 2 divisors, whose sum is σ = 2355439784. Its totient is φ = 2355439782.

The previous prime is 2355439781. The next prime is 2355439843. The reversal of 2355439783 is 3879345532.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2355439783 - 2¹ = 2355439781 is a prime.

Together with 2355439781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2355439781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177719891 + 1177719892.

It is an arithmetic number, because the mean of its divisors is an integer number (1177719892).

Almost surely, 2^2355439783 is an apocalyptic number.

2355439783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2355439783 is an equidigital number, since it uses as much as digits as its factorization.

2355439783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 49.

The square root of 2355439783 is about 48532.8732201175. The cubic root of 2355439783 is about 1330.5279497082.

The spelling of 2355439783 in words is "two billion, three hundred fifty-five million, four hundred thirty-nine thousand, seven hundred eighty-three".