6945045632 has 128 divisors (see below), whose sum is σ = 17196416640. Its totient is φ = 2725429248.

The previous prime is 6945045631. The next prime is 6945045643. The reversal of 6945045632 is 2365405496.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (6945045631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557423 + ... + 569745.

It is an arithmetic number, because the mean of its divisors is an integer number (134347005).

Almost surely, 2^6945045632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6945045632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8598208320).

6945045632 is an abundant number, since it is smaller than the sum of its proper divisors (10251371008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6945045632 is a wasteful number, since it uses less digits than its factorization.

6945045632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12398 (or 12386 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 6945045632 is about 83336.9403806019. The cubic root of 6945045632 is about 1907.9121243702.

The spelling of 6945045632 in words is "six billion, nine hundred forty-five million, forty-five thousand, six hundred thirty-two".