34520689660 has 12 divisors (see below), whose sum is σ = 72493448328. Its totient is φ = 13808275856.

The previous prime is 34520689639. The next prime is 34520689663. The reversal of 34520689660 is 6698602543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34520689663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863017222 + ... + 863017261.

It is an arithmetic number, because the mean of its divisors is an integer number (6041120694).

Almost surely, 2^34520689660 is an apocalyptic number.

It is an amenable number.

34520689660 is an abundant number, since it is smaller than the sum of its proper divisors (37972758668).

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

34520689660 is a wasteful number, since it uses less digits than its factorization.

34520689660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726034492 (or 1726034490 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 34520689660 in words is "thirty-four billion, five hundred twenty million, six hundred eighty-nine thousand, six hundred sixty".