3249959381 has 4 divisors (see below), whose sum is σ = 3252019200. Its totient is φ = 3247899564.

The previous prime is 3249959357. The next prime is 3249959389. The reversal of 3249959381 is 1839599423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1839599423 = 3677 ⋅500299.

It is a cyclic number.

It is not a de Polignac number, because 3249959381 - 2²² = 3245765077 is a prime.

It is a super-2 number, since 2×3249959381² = 21124471956299806322, 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 (3249959389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027541 + ... + 1030698.

It is an arithmetic number, because the mean of its divisors is an integer number (813004800).

Almost surely, 2^3249959381 is an apocalyptic number.

It is an amenable number.

3249959381 is a deficient number, since it is larger than the sum of its proper divisors (2059819).

3249959381 is a wasteful number, since it uses less digits than its factorization.

3249959381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059818.

The product of its digits is 2099520, while the sum is 53.

The square root of 3249959381 is about 57008.4150016469. The cubic root of 3249959381 is about 1481.2418632227.

The spelling of 3249959381 in words is "three billion, two hundred forty-nine million, nine hundred fifty-nine thousand, three hundred eighty-one".