3691430680 has 48 divisors (see below), whose sum is σ = 9661759920. Its totient is φ = 1265632704.

The previous prime is 3691430663. The next prime is 3691430683. The reversal of 3691430680 is 860341963.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3691430683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939732 + ... + 943651.

It is an arithmetic number, because the mean of its divisors is an integer number (201286665).

Almost surely, 2^3691430680 is an apocalyptic number.

It is an amenable number.

3691430680 is an abundant number, since it is smaller than the sum of its proper divisors (5970329240).

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

3691430680 is a wasteful number, since it uses less digits than its factorization.

3691430680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883408 (or 1883397 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 3691430680 is about 60757.1450942192. The cubic root of 3691430680 is about 1545.4853967921.

The spelling of 3691430680 in words is "three billion, six hundred ninety-one million, four hundred thirty thousand, six hundred eighty".