3256253693 has 24 divisors (see below), whose sum is σ = 4147060800. Its totient is φ = 2534609280.

The previous prime is 3256253629. The next prime is 3256253699. The reversal of 3256253693 is 3963526523.

It is not a de Polignac number, because 3256253693 - 2⁶ = 3256253629 is a prime.

It is a super-2 number, since 2×3256253693² = 21206376226352276498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256253699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3504653 + ... + 3505581.

It is an arithmetic number, because the mean of its divisors is an integer number (172794200).

Almost surely, 2^3256253693 is an apocalyptic number.

It is an amenable number.

3256253693 is a deficient number, since it is larger than the sum of its proper divisors (890807107).

3256253693 is an frugal number, since it uses more digits than its factorization.

3256253693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 947 counting only the distinct ones).

The product of its digits is 874800, while the sum is 44.

The square root of 3256253693 is about 57063.5934112110. The cubic root of 3256253693 is about 1482.1975044912.

The spelling of 3256253693 in words is "three billion, two hundred fifty-six million, two hundred fifty-three thousand, six hundred ninety-three".