106428194869 has 2 divisors, whose sum is σ = 106428194870. Its totient is φ = 106428194868.

The previous prime is 106428194861. The next prime is 106428194881. The reversal of 106428194869 is 968491824601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92091006225 + 14337188644 = 303465^2 + 119738^2 .

It is a cyclic number.

It is not a de Polignac number, because 106428194869 - 2³ = 106428194861 is a prime.

It is a super-2 number, since 2×106428194869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106428194861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53214097434 + 53214097435.

It is an arithmetic number, because the mean of its divisors is an integer number (53214097435).

Almost surely, 2^106428194869 is an apocalyptic number.

It is an amenable number.

106428194869 is a deficient number, since it is larger than the sum of its proper divisors (1).

106428194869 is an equidigital number, since it uses as much as digits as its factorization.

106428194869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5971968, while the sum is 58.

The spelling of 106428194869 in words is "one hundred six billion, four hundred twenty-eight million, one hundred ninety-four thousand, eight hundred sixty-nine".