403120440169 has 2 divisors, whose sum is σ = 403120440170. Its totient is φ = 403120440168.

The previous prime is 403120440119. The next prime is 403120440179. The reversal of 403120440169 is 961044021304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240259766569 + 162860673600 = 490163^2 + 403560^2 .

It is a cyclic number.

It is not a de Polignac number, because 403120440169 - 2¹³ = 403120431977 is a prime.

It is a super-2 number, since 2×403120440169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (403120440109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201560220084 + 201560220085.

It is an arithmetic number, because the mean of its divisors is an integer number (201560220085).

Almost surely, 2^403120440169 is an apocalyptic number.

It is an amenable number.

403120440169 is a deficient number, since it is larger than the sum of its proper divisors (1).

403120440169 is an equidigital number, since it uses as much as digits as its factorization.

403120440169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 403120440169 in words is "four hundred three billion, one hundred twenty million, four hundred forty thousand, one hundred sixty-nine".