4100045109973 has 2 divisors, whose sum is σ = 4100045109974. Its totient is φ = 4100045109972.

The previous prime is 4100045109971. The next prime is 4100045109977. The reversal of 4100045109973 is 3799015400014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2550463298289 + 1549581811684 = 1597017^2 + 1244822^2 .

It is a cyclic number.

It is not a de Polignac number, because 4100045109973 - 2¹ = 4100045109971 is a prime.

Together with 4100045109971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4100045109971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050022554986 + 2050022554987.

It is an arithmetic number, because the mean of its divisors is an integer number (2050022554987).

Almost surely, 2^{4100045109973} is an apocalyptic number.

It is an amenable number.

4100045109973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4100045109973 is an equidigital number, since it uses as much as digits as its factorization.

4100045109973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 4100045109973 in words is "four trillion, one hundred billion, forty-five million, one hundred nine thousand, nine hundred seventy-three".