690109371500 has 48 divisors (see below), whose sum is σ = 1507406060160. Its totient is φ = 276005801600.

The previous prime is 690109371481. The next prime is 690109371527. The reversal of 690109371500 is 5173901096.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3697421 + ... + 3879579.

It is an arithmetic number, because the mean of its divisors is an integer number (31404292920).

Almost surely, 2^690109371500 is an apocalyptic number.

It is an amenable number.

690109371500 is an abundant number, since it is smaller than the sum of its proper divisors (817296688660).

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

690109371500 is a wasteful number, since it uses less digits than its factorization.

690109371500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189755 (or 189743 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The spelling of 690109371500 in words is "six hundred ninety billion, one hundred nine million, three hundred seventy-one thousand, five hundred".