4447661045 has 8 divisors (see below), whose sum is σ = 5337600000. Its totient is φ = 3557857680.

The previous prime is 4447661039. The next prime is 4447661051. The reversal of 4447661045 is 5401667444.

It is an interprime number because it is at equal distance from previous prime (4447661039) and next prime (4447661051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4447661045 - 2⁶ = 4447660981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4447660993 and 4447661011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63956 + ... + 113954.

It is an arithmetic number, because the mean of its divisors is an integer number (667200000).

Almost surely, 2^4447661045 is an apocalyptic number.

It is an amenable number.

4447661045 is a deficient number, since it is larger than the sum of its proper divisors (889938955).

4447661045 is a wasteful number, since it uses less digits than its factorization.

4447661045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67795.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 4447661045 is about 66690.7868074744. The cubic root of 4447661045 is about 1644.5379281942.

The spelling of 4447661045 in words is "four billion, four hundred forty-seven million, six hundred sixty-one thousand, forty-five".