100044131449 has 2 divisors, whose sum is σ = 100044131450. Its totient is φ = 100044131448.

The previous prime is 100044131387. The next prime is 100044131557. The reversal of 100044131449 is 944131440001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82257108025 + 17787023424 = 286805^2 + 133368^2 .

It is a cyclic number.

It is not a de Polignac number, because 100044131449 - 2⁷ = 100044131321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100044131449.

It is not a weakly prime, because it can be changed into another prime (100044135449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50022065724 + 50022065725.

It is an arithmetic number, because the mean of its divisors is an integer number (50022065725).

Almost surely, 2^100044131449 is an apocalyptic number.

It is an amenable number.

100044131449 is a deficient number, since it is larger than the sum of its proper divisors (1).

100044131449 is an equidigital number, since it uses as much as digits as its factorization.

100044131449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 100044131449 in words is "one hundred billion, forty-four million, one hundred thirty-one thousand, four hundred forty-nine".