402231485827 has 2 divisors, whose sum is σ = 402231485828. Its totient is φ = 402231485826.

The previous prime is 402231485807. The next prime is 402231485891. The reversal of 402231485827 is 728584132204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402231485827 - 2¹⁵ = 402231453059 is a prime.

It is a super-2 number, since 2×402231485827² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402231485807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201115742913 + 201115742914.

It is an arithmetic number, because the mean of its divisors is an integer number (201115742914).

Almost surely, 2^402231485827 is an apocalyptic number.

402231485827 is a deficient number, since it is larger than the sum of its proper divisors (1).

402231485827 is an equidigital number, since it uses as much as digits as its factorization.

402231485827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 402231485827 in words is "four hundred two billion, two hundred thirty-one million, four hundred eighty-five thousand, eight hundred twenty-seven".