689570280074 has 8 divisors (see below), whose sum is σ = 1113921221700. Its totient is φ = 318263206176.

The previous prime is 689570280059. The next prime is 689570280107. The reversal of 689570280074 is 470082075986.

It can be written as a sum of positive squares in 2 ways, for example, as 660326886025 + 29243394049 = 812605^2 + 171007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×689570280074² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13260966899 + ... + 13260966950.

Almost surely, 2^689570280074 is an apocalyptic number.

689570280074 is a deficient number, since it is larger than the sum of its proper divisors (424350941626).

689570280074 is a wasteful number, since it uses less digits than its factorization.

689570280074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26521933864.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 689570280074 in words is "six hundred eighty-nine billion, five hundred seventy million, two hundred eighty thousand, seventy-four".