3251373664 has 96 divisors (see below), whose sum is σ = 8017180416. Its totient is φ = 1260971520.

The previous prime is 3251373649. The next prime is 3251373667. The reversal of 3251373664 is 4663731523.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3251373667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556422 + ... + 562234.

It is an arithmetic number, because the mean of its divisors is an integer number (83512296).

Almost surely, 2^3251373664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3251373664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4008590208).

3251373664 is an abundant number, since it is smaller than the sum of its proper divisors (4765806752).

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

3251373664 is a wasteful number, since it uses less digits than its factorization.

3251373664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068 (or 6060 counting only the distinct ones).

The product of its digits is 272160, while the sum is 40.

The square root of 3251373664 is about 57020.8178124446. The cubic root of 3251373664 is about 1481.4566957930.

The spelling of 3251373664 in words is "three billion, two hundred fifty-one million, three hundred seventy-three thousand, six hundred sixty-four".