70000697659 has 4 divisors (see below), whose sum is σ = 70005146400. Its totient is φ = 69996248920.

The previous prime is 70000697623. The next prime is 70000697737. The reversal of 70000697659 is 95679600007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95679600007 = 23 ⋅4159982609.

It is a cyclic number.

It is not a de Polignac number, because 70000697659 - 2⁷ = 70000697531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70000697159) 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, 2200684 + ... + 2232265.

It is an arithmetic number, because the mean of its divisors is an integer number (17501286600).

Almost surely, 2^70000697659 is an apocalyptic number.

70000697659 is a deficient number, since it is larger than the sum of its proper divisors (4448741).

70000697659 is a wasteful number, since it uses less digits than its factorization.

70000697659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448740.

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 70000697659 in words is "seventy billion, six hundred ninety-seven thousand, six hundred fifty-nine".