402968669941 has 2 divisors, whose sum is σ = 402968669942. Its totient is φ = 402968669940.

The previous prime is 402968669923. The next prime is 402968669947. The reversal of 402968669941 is 149966869204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271384734916 + 131583935025 = 520946^2 + 362745^2 .

It is a cyclic number.

It is not a de Polignac number, because 402968669941 - 2⁹ = 402968669429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402968669947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201484334970 + 201484334971.

It is an arithmetic number, because the mean of its divisors is an integer number (201484334971).

Almost surely, 2^402968669941 is an apocalyptic number.

It is an amenable number.

402968669941 is a deficient number, since it is larger than the sum of its proper divisors (1).

402968669941 is an equidigital number, since it uses as much as digits as its factorization.

402968669941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 402968669941 in words is "four hundred two billion, nine hundred sixty-eight million, six hundred sixty-nine thousand, nine hundred forty-one".