100929449 has 2 divisors, whose sum is σ = 100929450. Its totient is φ = 100929448.

The previous prime is 100929443. The next prime is 100929473. The reversal of 100929449 is 944929001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100861849 + 67600 = 10043^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 100929449 - 2¹² = 100925353 is a prime.

It is not a weakly prime, because it can be changed into another prime (100929443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50464724 + 50464725.

It is an arithmetic number, because the mean of its divisors is an integer number (50464725).

Almost surely, 2^100929449 is an apocalyptic number.

It is an amenable number.

100929449 is a deficient number, since it is larger than the sum of its proper divisors (1).

100929449 is an equidigital number, since it uses as much as digits as its factorization.

100929449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 100929449 is about 10046.3649645033. The cubic root of 100929449 is about 465.5924909754.

The spelling of 100929449 in words is "one hundred million, nine hundred twenty-nine thousand, four hundred forty-nine".