262428681667 has 2 divisors, whose sum is σ = 262428681668. Its totient is φ = 262428681666.

The previous prime is 262428681659. The next prime is 262428681689. The reversal of 262428681667 is 766186824262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 262428681667 - 2³ = 262428681659 is a prime.

It is a super-2 number, since 2×262428681667² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (262428688667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131214340833 + 131214340834.

It is an arithmetic number, because the mean of its divisors is an integer number (131214340834).

Almost surely, 2^262428681667 is an apocalyptic number.

262428681667 is a deficient number, since it is larger than the sum of its proper divisors (1).

262428681667 is an equidigital number, since it uses as much as digits as its factorization.

262428681667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18579456, while the sum is 58.

The spelling of 262428681667 in words is "two hundred sixty-two billion, four hundred twenty-eight million, six hundred eighty-one thousand, six hundred sixty-seven".