2248392989 has 2 divisors, whose sum is σ = 2248392990. Its totient is φ = 2248392988.

The previous prime is 2248392983. The next prime is 2248393013. The reversal of 2248392989 is 9892938422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2200548100 + 47844889 = 46910^2 + 6917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2248392989 - 2⁸ = 2248392733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2248392983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124196494 + 1124196495.

It is an arithmetic number, because the mean of its divisors is an integer number (1124196495).

Almost surely, 2^2248392989 is an apocalyptic number.

It is an amenable number.

2248392989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2248392989 is an equidigital number, since it uses as much as digits as its factorization.

2248392989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 56.

The square root of 2248392989 is about 47417.2224935202. Note that the first 3 decimals coincide. The cubic root of 2248392989 is about 1310.0586553773.

The spelling of 2248392989 in words is "two billion, two hundred forty-eight million, three hundred ninety-two thousand, nine hundred eighty-nine".