262428621659 has 2 divisors, whose sum is σ = 262428621660. Its totient is φ = 262428621658.

The previous prime is 262428621629. The next prime is 262428621667. The reversal of 262428621659 is 956126824262.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262428621659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 262428621659.

It is not a weakly prime, because it can be changed into another prime (262428621629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131214310829 + 131214310830.

It is an arithmetic number, because the mean of its divisors is an integer number (131214310830).

Almost surely, 2^262428621659 is an apocalyptic number.

262428621659 is a deficient number, since it is larger than the sum of its proper divisors (1).

262428621659 is an equidigital number, since it uses as much as digits as its factorization.

262428621659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 53.

The spelling of 262428621659 in words is "two hundred sixty-two billion, four hundred twenty-eight million, six hundred twenty-one thousand, six hundred fifty-nine".