69670444217 has 4 divisors (see below), whose sum is σ = 76004120976. Its totient is φ = 63336767460.

The previous prime is 69670444213. The next prime is 69670444243. The reversal of 69670444217 is 71244407696.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69670444217 - 2² = 69670444213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69670444213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3166838363 + ... + 3166838384.

It is an arithmetic number, because the mean of its divisors is an integer number (19001030244).

Almost surely, 2^69670444217 is an apocalyptic number.

It is an amenable number.

69670444217 is a deficient number, since it is larger than the sum of its proper divisors (6333676759).

69670444217 is a wasteful number, since it uses less digits than its factorization.

69670444217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333676758.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 69670444217 in words is "sixty-nine billion, six hundred seventy million, four hundred forty-four thousand, two hundred seventeen".