2356044989 has 2 divisors, whose sum is σ = 2356044990. Its totient is φ = 2356044988.

The previous prime is 2356044983. The next prime is 2356045007. The reversal of 2356044989 is 9894406532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2355452089 + 592900 = 48533^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 2356044989 - 2¹² = 2356040893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2356044983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1178022494 + 1178022495.

It is an arithmetic number, because the mean of its divisors is an integer number (1178022495).

Almost surely, 2^2356044989 is an apocalyptic number.

It is an amenable number.

2356044989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2356044989 is an equidigital number, since it uses as much as digits as its factorization.

2356044989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The square root of 2356044989 is about 48539.1078306967. The cubic root of 2356044989 is about 1330.6418951021.

The spelling of 2356044989 in words is "two billion, three hundred fifty-six million, forty-four thousand, nine hundred eighty-nine".