100749108149 has 2 divisors, whose sum is σ = 100749108150. Its totient is φ = 100749108148.

The previous prime is 100749107983. The next prime is 100749108203. The reversal of 100749108149 is 941801947001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100749108100 + 49 = 317410^2 + 7^2 .

It is an emirp because it is prime and its reverse (941801947001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100749108149 - 2²⁸ = 100480672693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100749108949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50374554074 + 50374554075.

It is an arithmetic number, because the mean of its divisors is an integer number (50374554075).

Almost surely, 2^100749108149 is an apocalyptic number.

It is an amenable number.

100749108149 is a deficient number, since it is larger than the sum of its proper divisors (1).

100749108149 is an equidigital number, since it uses as much as digits as its factorization.

100749108149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

It can be divided in two parts, 1007491081 and 49, that multiplied together give a square (49367062969 = 222187²).

The spelling of 100749108149 in words is "one hundred billion, seven hundred forty-nine million, one hundred eight thousand, one hundred forty-nine".