690619327836 has 24 divisors (see below), whose sum is σ = 1611517770240. Its totient is φ = 230196060912.

The previous prime is 690619327829. The next prime is 690619327889. The reversal of 690619327836 is 638723916096.

It is a self number, because there is not a number n which added to its sum of digits gives 690619327836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018126 + ... + 1554933.

It is an arithmetic number, because the mean of its divisors is an integer number (67146573760).

Almost surely, 2^690619327836 is an apocalyptic number.

It is an amenable number.

690619327836 is an abundant number, since it is smaller than the sum of its proper divisors (920898442404).

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

690619327836 is a wasteful number, since it uses less digits than its factorization.

690619327836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595433 (or 2595431 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 60.

The spelling of 690619327836 in words is "six hundred ninety billion, six hundred nineteen million, three hundred twenty-seven thousand, eight hundred thirty-six".