3275467721 has 2 divisors, whose sum is σ = 3275467722. Its totient is φ = 3275467720.

The previous prime is 3275467717. The next prime is 3275467739. The reversal of 3275467721 is 1277645723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2763079225 + 512388496 = 52565^2 + 22636^2 .

It is a cyclic number.

It is not a de Polignac number, because 3275467721 - 2² = 3275467717 is a prime.

It is not a weakly prime, because it can be changed into another prime (3275467711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1637733860 + 1637733861.

It is an arithmetic number, because the mean of its divisors is an integer number (1637733861).

Almost surely, 2^3275467721 is an apocalyptic number.

It is an amenable number.

3275467721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3275467721 is an equidigital number, since it uses as much as digits as its factorization.

3275467721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 44.

The square root of 3275467721 is about 57231.7020627554. The cubic root of 3275467721 is about 1485.1071009228.

The spelling of 3275467721 in words is "three billion, two hundred seventy-five million, four hundred sixty-seven thousand, seven hundred twenty-one".