689615793982137 has 48 divisors (see below), whose sum is σ = 1064000065372160. Its totient is φ = 395903279772000.

The previous prime is 689615793982111. The next prime is 689615793982151. The reversal of 689615793982137 is 731289397516986.

It is not a de Polignac number, because 689615793982137 - 2⁴⁶ = 619247049804473 is a prime.

It is a super-2 number, since 2×689615793982137² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 689615793982137.

It is not an unprimeable number, because it can be changed into a prime (689615793982937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50389812 + ... + 62596842.

Almost surely, 2^{689615793982137} is an apocalyptic number.

It is an amenable number.

689615793982137 is a deficient number, since it is larger than the sum of its proper divisors (374384271390023).

689615793982137 is a wasteful number, since it uses less digits than its factorization.

689615793982137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215266 (or 12215255 counting only the distinct ones).

The product of its digits is 7407106560, while the sum is 84.

The spelling of 689615793982137 in words is "six hundred eighty-nine trillion, six hundred fifteen billion, seven hundred ninety-three million, nine hundred eighty-two thousand, one hundred thirty-seven".