4445745364061 has 4 divisors (see below), whose sum is σ = 4445760248412. Its totient is φ = 4445730479712.

The previous prime is 4445745364057. The next prime is 4445745364063. The reversal of 4445745364061 is 1604635475444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2261279100025 + 2184466264036 = 1503755^2 + 1477994^2 .

It is a cyclic number.

It is not a de Polignac number, because 4445745364061 - 2² = 4445745364057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4445745363994 and 4445745364012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445745364063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6984776 + ... + 7594641.

It is an arithmetic number, because the mean of its divisors is an integer number (1111440062103).

Almost surely, 2^{4445745364061} is an apocalyptic number.

It is an amenable number.

4445745364061 is a deficient number, since it is larger than the sum of its proper divisors (14884351).

4445745364061 is a wasteful number, since it uses less digits than its factorization.

4445745364061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14884350.

The product of its (nonzero) digits is 19353600, while the sum is 53.

The spelling of 4445745364061 in words is "four trillion, four hundred forty-five billion, seven hundred forty-five million, three hundred sixty-four thousand, sixty-one".