3256019961 has 32 divisors (see below), whose sum is σ = 4537814400. Its totient is φ = 2074859520.

The previous prime is 3256019957. The next prime is 3256019983. The reversal of 3256019961 is 1699106523.

It is not a de Polignac number, because 3256019961 - 2² = 3256019957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3256019461) 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 31 ways as a sum of consecutive naturals, for example, 2967565 + ... + 2968661.

It is an arithmetic number, because the mean of its divisors is an integer number (141806700).

Almost surely, 2^3256019961 is an apocalyptic number.

It is an amenable number.

3256019961 is a deficient number, since it is larger than the sum of its proper divisors (1281794439).

3256019961 is a wasteful number, since it uses less digits than its factorization.

3256019961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 3256019961 is about 57061.5453786523. The cubic root of 3256019961 is about 1482.1620398838.

The spelling of 3256019961 in words is "three billion, two hundred fifty-six million, nineteen thousand, nine hundred sixty-one".