100649093 has 2 divisors, whose sum is σ = 100649094. Its totient is φ = 100649092.

The previous prime is 100649051. The next prime is 100649113. The reversal of 100649093 is 390946001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96393124 + 4255969 = 9818^2 + 2063^2 .

It is an emirp because it is prime and its reverse (390946001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100649093 - 2¹² = 100644997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100649293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50324546 + 50324547.

It is an arithmetic number, because the mean of its divisors is an integer number (50324547).

Almost surely, 2^100649093 is an apocalyptic number.

It is an amenable number.

100649093 is a deficient number, since it is larger than the sum of its proper divisors (1).

100649093 is an equidigital number, since it uses as much as digits as its factorization.

100649093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 100649093 is about 10032.4021550175. The cubic root of 100649093 is about 465.1609925454.

The spelling of 100649093 in words is "one hundred million, six hundred forty-nine thousand, ninety-three".