689103541292 has 12 divisors (see below), whose sum is σ = 1205938068216. Its totient is φ = 344549807520.

The previous prime is 689103541271. The next prime is 689103541411. The reversal of 689103541292 is 292145301986.

It is a self number, because there is not a number n which added to its sum of digits gives 689103541292.

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, 539192 + ... + 1291872.

It is an arithmetic number, because the mean of its divisors is an integer number (100494839018).

Almost surely, 2^689103541292 is an apocalyptic number.

It is an amenable number.

689103541292 is a deficient number, since it is larger than the sum of its proper divisors (516834526924).

689103541292 is a wasteful number, since it uses less digits than its factorization.

689103541292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981568 (or 981566 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 689103541292 in words is "six hundred eighty-nine billion, one hundred three million, five hundred forty-one thousand, two hundred ninety-two".