100489913 has 2 divisors, whose sum is σ = 100489914. Its totient is φ = 100489912.

The previous prime is 100489877. The next prime is 100489927. The reversal of 100489913 is 319984001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73324969 + 27164944 = 8563^2 + 5212^2 .

It is an emirp because it is prime and its reverse (319984001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100489913 - 2¹⁰ = 100488889 is a prime.

It is a super-2 number, since 2×100489913² = 20196445229495138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100489513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50244956 + 50244957.

It is an arithmetic number, because the mean of its divisors is an integer number (50244957).

Almost surely, 2^100489913 is an apocalyptic number.

It is an amenable number.

100489913 is a deficient number, since it is larger than the sum of its proper divisors (1).

100489913 is an equidigital number, since it uses as much as digits as its factorization.

100489913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 100489913 is about 10024.4657214238. The cubic root of 100489913 is about 464.9156404564.

The spelling of 100489913 in words is "one hundred million, four hundred eighty-nine thousand, nine hundred thirteen".