3257428313708 has 6 divisors (see below), whose sum is σ = 5700499548996. Its totient is φ = 1628714156852.

The previous prime is 3257428313677. The next prime is 3257428313717. The reversal of 3257428313708 is 8073138247523.

It is a super-2 number, since 2×3257428313708² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3257428313708.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407178539210 + ... + 407178539217.

It is an arithmetic number, because the mean of its divisors is an integer number (950083258166).

Almost surely, 2^{3257428313708} is an apocalyptic number.

It is an amenable number.

3257428313708 is a deficient number, since it is larger than the sum of its proper divisors (2443071235288).

3257428313708 is a wasteful number, since it uses less digits than its factorization.

3257428313708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814357078431 (or 814357078429 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 3257428313708 in words is "three trillion, two hundred fifty-seven billion, four hundred twenty-eight million, three hundred thirteen thousand, seven hundred eight".