12409081628 has 6 divisors (see below), whose sum is σ = 21715892856. Its totient is φ = 6204540812.

The previous prime is 12409081627. The next prime is 12409081631. The reversal of 12409081628 is 82618090421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12409081627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551135200 + ... + 1551135207.

It is an arithmetic number, because the mean of its divisors is an integer number (3619315476).

Almost surely, 2^12409081628 is an apocalyptic number.

It is an amenable number.

12409081628 is a deficient number, since it is larger than the sum of its proper divisors (9306811228).

12409081628 is a wasteful number, since it uses less digits than its factorization.

12409081628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102270411 (or 3102270409 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 12409081628 in words is "twelve billion, four hundred nine million, eighty-one thousand, six hundred twenty-eight".