402663791347 has 2 divisors, whose sum is σ = 402663791348. Its totient is φ = 402663791346.

The previous prime is 402663791237. The next prime is 402663791351. The reversal of 402663791347 is 743197366204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402663791347 - 2²³ = 402655402739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402663791294 and 402663791303.

It is not a weakly prime, because it can be changed into another prime (402663798347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201331895673 + 201331895674.

It is an arithmetic number, because the mean of its divisors is an integer number (201331895674).

Almost surely, 2^402663791347 is an apocalyptic number.

402663791347 is a deficient number, since it is larger than the sum of its proper divisors (1).

402663791347 is an equidigital number, since it uses as much as digits as its factorization.

402663791347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 402663791347 in words is "four hundred two billion, six hundred sixty-three million, seven hundred ninety-one thousand, three hundred forty-seven".