22603813849 has 2 divisors, whose sum is σ = 22603813850. Its totient is φ = 22603813848.

The previous prime is 22603813829. The next prime is 22603813861. The reversal of 22603813849 is 94831830622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20875915225 + 1727898624 = 144485^2 + 41568^2 .

It is a cyclic number.

It is not a de Polignac number, because 22603813849 - 2³¹ = 20456330201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22603813799 and 22603813808.

It is not a weakly prime, because it can be changed into another prime (22603813829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11301906924 + 11301906925.

It is an arithmetic number, because the mean of its divisors is an integer number (11301906925).

Almost surely, 2^22603813849 is an apocalyptic number.

It is an amenable number.

22603813849 is a deficient number, since it is larger than the sum of its proper divisors (1).

22603813849 is an equidigital number, since it uses as much as digits as its factorization.

22603813849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 22603813849 in words is "twenty-two billion, six hundred three million, eight hundred thirteen thousand, eight hundred forty-nine".