403320964643 has 2 divisors, whose sum is σ = 403320964644. Its totient is φ = 403320964642.

The previous prime is 403320964609. The next prime is 403320964661. The reversal of 403320964643 is 346469023304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 403320964643 - 2¹² = 403320960547 is a prime.

It is a super-2 number, since 2×403320964643² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403320964594 and 403320964603.

It is not a weakly prime, because it can be changed into another prime (403320964043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201660482321 + 201660482322.

It is an arithmetic number, because the mean of its divisors is an integer number (201660482322).

Almost surely, 2^403320964643 is an apocalyptic number.

403320964643 is a deficient number, since it is larger than the sum of its proper divisors (1).

403320964643 is an equidigital number, since it uses as much as digits as its factorization.

403320964643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 44.

Adding to 403320964643 its reverse (346469023304), we get a palindrome (749789987947).

The spelling of 403320964643 in words is "four hundred three billion, three hundred twenty million, nine hundred sixty-four thousand, six hundred forty-three".