100445274571049 has 2 divisors, whose sum is σ = 100445274571050. Its totient is φ = 100445274571048.

The previous prime is 100445274571039. The next prime is 100445274571073. The reversal of 100445274571049 is 940175472544001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62741290483600 + 37703984087449 = 7920940^2 + 6140357^2 .

It is a cyclic number.

It is not a de Polignac number, because 100445274571049 - 2¹² = 100445274566953 is a prime.

It is a super-3 number, since 3×100445274571049³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (100445274571039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50222637285524 + 50222637285525.

It is an arithmetic number, because the mean of its divisors is an integer number (50222637285525).

Almost surely, 2^{100445274571049} is an apocalyptic number.

It is an amenable number.

100445274571049 is a deficient number, since it is larger than the sum of its proper divisors (1).

100445274571049 is an equidigital number, since it uses as much as digits as its factorization.

100445274571049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 100445274571049 in words is "one hundred trillion, four hundred forty-five billion, two hundred seventy-four million, five hundred seventy-one thousand, forty-nine".