3209940264833 has 2 divisors, whose sum is σ = 3209940264834. Its totient is φ = 3209940264832.

The previous prime is 3209940264823. The next prime is 3209940265009. The reversal of 3209940264833 is 3384620499023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2494684414849 + 715255849984 = 1579457^2 + 845728^2 .

It is a cyclic number.

It is not a de Polignac number, because 3209940264833 - 2²² = 3209936070529 is a prime.

It is not a weakly prime, because it can be changed into another prime (3209940264803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1604970132416 + 1604970132417.

It is an arithmetic number, because the mean of its divisors is an integer number (1604970132417).

Almost surely, 2^{3209940264833} is an apocalyptic number.

It is an amenable number.

3209940264833 is a deficient number, since it is larger than the sum of its proper divisors (1).

3209940264833 is an equidigital number, since it uses as much as digits as its factorization.

3209940264833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6718464, while the sum is 53.

The spelling of 3209940264833 in words is "three trillion, two hundred nine billion, nine hundred forty million, two hundred sixty-four thousand, eight hundred thirty-three".