2354622989 has 4 divisors (see below), whose sum is σ = 2412052860. Its totient is φ = 2297193120.

The previous prime is 2354622971. The next prime is 2354623021. The reversal of 2354622989 is 9892264532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94381225 + 2260241764 = 9715^2 + 47542^2 .

It is a cyclic number.

It is not a de Polignac number, because 2354622989 - 2⁸ = 2354622733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2354622289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28714874 + ... + 28714955.

It is an arithmetic number, because the mean of its divisors is an integer number (603013215).

Almost surely, 2^2354622989 is an apocalyptic number.

It is an amenable number.

2354622989 is a deficient number, since it is larger than the sum of its proper divisors (57429871).

2354622989 is an equidigital number, since it uses as much as digits as its factorization.

2354622989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57429870.

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

The square root of 2354622989 is about 48524.4576373606. The cubic root of 2354622989 is about 1330.3741365509.

The spelling of 2354622989 in words is "two billion, three hundred fifty-four million, six hundred twenty-two thousand, nine hundred eighty-nine".