9445551065 has 8 divisors (see below), whose sum is σ = 11397284808. Its totient is φ = 7514691840.

The previous prime is 9445551061. The next prime is 9445551079. The reversal of 9445551065 is 5601555449.

It can be written as a sum of positive squares in 4 ways, for example, as 550043209 + 8895507856 = 23453^2 + 94316^2 .

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

It is not a de Polignac number, because 9445551065 - 2² = 9445551061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9445551061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5217632 + ... + 5219441.

It is an arithmetic number, because the mean of its divisors is an integer number (1424660601).

Almost surely, 2^9445551065 is an apocalyptic number.

It is an amenable number.

9445551065 is a deficient number, since it is larger than the sum of its proper divisors (1951733743).

9445551065 is a wasteful number, since it uses less digits than its factorization.

9445551065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10437259.

The product of its (nonzero) digits is 540000, while the sum is 44.

The square root of 9445551065 is about 97188.2249297722. The cubic root of 9445551065 is about 2113.8577900379.

The spelling of 9445551065 in words is "nine billion, four hundred forty-five million, five hundred fifty-one thousand, sixty-five".