3209426481 has 32 divisors (see below), whose sum is σ = 4629381120. Its totient is φ = 1970337024.

The previous prime is 3209426471. The next prime is 3209426639. The reversal of 3209426481 is 1846249023.

It is not a de Polignac number, because 3209426481 - 2⁵ = 3209426449 is a prime.

It is a super-2 number, since 2×3209426481² = 20600836673888086722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3209426431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 668616 + ... + 673398.

It is an arithmetic number, because the mean of its divisors is an integer number (144668160).

Almost surely, 2^3209426481 is an apocalyptic number.

It is an amenable number.

3209426481 is a deficient number, since it is larger than the sum of its proper divisors (1419954639).

3209426481 is a wasteful number, since it uses less digits than its factorization.

3209426481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 3209426481 is about 56651.8003332639. The cubic root of 3209426481 is about 1475.0581581588.

The spelling of 3209426481 in words is "three billion, two hundred nine million, four hundred twenty-six thousand, four hundred eighty-one".