6965914221 has 40 divisors (see below), whose sum is σ = 11930723904. Its totient is φ = 3967704000.

The previous prime is 6965914213. The next prime is 6965914243. The reversal of 6965914221 is 1224195696.

It is not a de Polignac number, because 6965914221 - 2³ = 6965914213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6965914201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 157846 + ... + 197096.

Almost surely, 2^6965914221 is an apocalyptic number.

It is an amenable number.

6965914221 is a deficient number, since it is larger than the sum of its proper divisors (4964809683).

6965914221 is a wasteful number, since it uses less digits than its factorization.

6965914221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39583 (or 39574 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 6965914221 is about 83462.0525807987. The cubic root of 6965914221 is about 1909.8211889109.

The spelling of 6965914221 in words is "six billion, nine hundred sixty-five million, nine hundred fourteen thousand, two hundred twenty-one".