403641667469 has 2 divisors, whose sum is σ = 403641667470. Its totient is φ = 403641667468.

The previous prime is 403641667447. The next prime is 403641667603. The reversal of 403641667469 is 964766146304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265829954569 + 137811712900 = 515587^2 + 371230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403641667469 is a prime.

It is a super-2 number, since 2×403641667469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403641867469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201820833734 + 201820833735.

It is an arithmetic number, because the mean of its divisors is an integer number (201820833735).

Almost surely, 2^403641667469 is an apocalyptic number.

It is an amenable number.

403641667469 is a deficient number, since it is larger than the sum of its proper divisors (1).

403641667469 is an equidigital number, since it uses as much as digits as its factorization.

403641667469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 56.

The spelling of 403641667469 in words is "four hundred three billion, six hundred forty-one million, six hundred sixty-seven thousand, four hundred sixty-nine".