669728930100 has 36 divisors (see below), whose sum is σ = 1937749038624. Its totient is φ = 178594381280.

The previous prime is 669728930093. The next prime is 669728930107. The reversal of 669728930100 is 1039827966.

It is an interprime number because it is at equal distance from previous prime (669728930093) and next prime (669728930107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669728930107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1116214584 + ... + 1116215183.

It is an arithmetic number, because the mean of its divisors is an integer number (53826362184).

Almost surely, 2^669728930100 is an apocalyptic number.

669728930100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

669728930100 is an abundant number, since it is smaller than the sum of its proper divisors (1268020108524).

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

669728930100 is a wasteful number, since it uses less digits than its factorization.

669728930100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232429784 (or 2232429777 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 669728930100 in words is "six hundred sixty-nine billion, seven hundred twenty-eight million, nine hundred thirty thousand, one hundred".