8403603760249 has 2 divisors, whose sum is σ = 8403603760250. Its totient is φ = 8403603760248.

The previous prime is 8403603760219. The next prime is 8403603760271. The reversal of 8403603760249 is 9420673063048.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8326023685225 + 77580075024 = 2885485^2 + 278532^2 .

It is a cyclic number.

It is not a de Polignac number, because 8403603760249 - 2³⁹ = 7853847946361 is a prime.

It is a super-2 number, since 2×8403603760249² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8403603760196 and 8403603760205.

It is not a weakly prime, because it can be changed into another prime (8403603760219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4201801880124 + 4201801880125.

It is an arithmetic number, because the mean of its divisors is an integer number (4201801880125).

Almost surely, 2^{8403603760249} is an apocalyptic number.

It is an amenable number.

8403603760249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8403603760249 is an equidigital number, since it uses as much as digits as its factorization.

8403603760249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 8403603760249 in words is "eight trillion, four hundred three billion, six hundred three million, seven hundred sixty thousand, two hundred forty-nine".