657428613382 has 16 divisors (see below), whose sum is σ = 987197508000. Its totient is φ = 328362935040.

The previous prime is 657428613371. The next prime is 657428613383. The reversal of 657428613382 is 283316824756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657428613383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8829244 + ... + 8903392.

It is an arithmetic number, because the mean of its divisors is an integer number (61699844250).

Almost surely, 2^657428613382 is an apocalyptic number.

657428613382 is a deficient number, since it is larger than the sum of its proper divisors (329768894618).

657428613382 is a wasteful number, since it uses less digits than its factorization.

657428613382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78831.

The product of its digits is 11612160, while the sum is 55.

The spelling of 657428613382 in words is "six hundred fifty-seven billion, four hundred twenty-eight million, six hundred thirteen thousand, three hundred eighty-two".