6945665970 has 32 divisors (see below), whose sum is σ = 16834651200. Its totient is φ = 1833838400.

The previous prime is 6945665959. The next prime is 6945665977. The reversal of 6945665970 is 795665496.

It is a self number, because there is not a number n which added to its sum of digits gives 6945665970.

It is not an unprimeable number, because it can be changed into a prime (6945665977) 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, 1143120 + ... + 1149179.

It is an arithmetic number, because the mean of its divisors is an integer number (526082850).

Almost surely, 2^6945665970 is an apocalyptic number.

6945665970 is an abundant number, since it is smaller than the sum of its proper divisors (9888985230).

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

6945665970 is a wasteful number, since it uses less digits than its factorization.

6945665970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292410.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The square root of 6945665970 is about 83340.6621643961. The cubic root of 6945665970 is about 1907.9689281800.

The spelling of 6945665970 in words is "six billion, nine hundred forty-five million, six hundred sixty-five thousand, nine hundred seventy".