845129690652 has 48 divisors (see below), whose sum is σ = 2124457735680. Its totient is φ = 259942127808.

The previous prime is 845129690591. The next prime is 845129690687. The reversal of 845129690652 is 256096921548.

845129690652 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 845129690592 and 845129690601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601752 + ... + 1432607.

It is an arithmetic number, because the mean of its divisors is an integer number (44259536160).

Almost surely, 2^845129690652 is an apocalyptic number.

It is an amenable number.

845129690652 is an abundant number, since it is smaller than the sum of its proper divisors (1279328045028).

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

845129690652 is a wasteful number, since it uses less digits than its factorization.

845129690652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037042 (or 2037040 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 845129690652 in words is "eight hundred forty-five billion, one hundred twenty-nine million, six hundred ninety thousand, six hundred fifty-two".