22503129737849 has 2 divisors, whose sum is σ = 22503129737850. Its totient is φ = 22503129737848.

The previous prime is 22503129737839. The next prime is 22503129737929. The reversal of 22503129737849 is 94873792130522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11620817380624 + 10882312357225 = 3408932^2 + 3298835^2 .

It is a cyclic number.

It is not a de Polignac number, because 22503129737849 - 2³² = 22498834770553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22503129737791 and 22503129737800.

It is not a weakly prime, because it can be changed into another prime (22503129737839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11251564868924 + 11251564868925.

It is an arithmetic number, because the mean of its divisors is an integer number (11251564868925).

Almost surely, 2^{22503129737849} is an apocalyptic number.

It is an amenable number.

22503129737849 is a deficient number, since it is larger than the sum of its proper divisors (1).

22503129737849 is an equidigital number, since it uses as much as digits as its factorization.

22503129737849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 22503129737849 in words is "twenty-two trillion, five hundred three billion, one hundred twenty-nine million, seven hundred thirty-seven thousand, eight hundred forty-nine".