100605280969 has 2 divisors, whose sum is σ = 100605280970. Its totient is φ = 100605280968.

The previous prime is 100605280949. The next prime is 100605281071. The reversal of 100605280969 is 969082506001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90262390969 + 10342890000 = 300437^2 + 101700^2 .

It is an emirp because it is prime and its reverse (969082506001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100605280969 - 2¹⁵ = 100605248201 is a prime.

It is a super-2 number, since 2×100605280969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100605280949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50302640484 + 50302640485.

It is an arithmetic number, because the mean of its divisors is an integer number (50302640485).

Almost surely, 2^100605280969 is an apocalyptic number.

It is an amenable number.

100605280969 is a deficient number, since it is larger than the sum of its proper divisors (1).

100605280969 is an equidigital number, since it uses as much as digits as its factorization.

100605280969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 100605280969 in words is "one hundred billion, six hundred five million, two hundred eighty thousand, nine hundred sixty-nine".