690229258012 has 18 divisors (see below), whose sum is σ = 1405109561352. Its totient is φ = 295812539064.

The previous prime is 690229258009. The next prime is 690229258049. The reversal of 690229258012 is 210852922096.

690229258012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1760788728 + ... + 1760789119.

Almost surely, 2^690229258012 is an apocalyptic number.

It is an amenable number.

690229258012 is an abundant number, since it is smaller than the sum of its proper divisors (714880303340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690229258012 is a wasteful number, since it uses less digits than its factorization.

690229258012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521577865 (or 3521577856 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 690229258012 in words is "six hundred ninety billion, two hundred twenty-nine million, two hundred fifty-eight thousand, twelve".