690611420600 has 96 divisors (see below), whose sum is σ = 1621336227840. Its totient is φ = 273562608000.

The previous prime is 690611420563. The next prime is 690611420627. The reversal of 690611420600 is 6024116096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8478065 + ... + 8559135.

It is an arithmetic number, because the mean of its divisors is an integer number (16888919040).

Almost surely, 2^690611420600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690611420600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810668113920).

690611420600 is an abundant number, since it is smaller than the sum of its proper divisors (930724807240).

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

690611420600 is a wasteful number, since it uses less digits than its factorization.

690611420600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81501 (or 81492 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

Adding to 690611420600 its reverse (6024116096), we get a palindrome (696635536696).

The spelling of 690611420600 in words is "six hundred ninety billion, six hundred eleven million, four hundred twenty thousand, six hundred".