3480725736641 has 2 divisors, whose sum is σ = 3480725736642. Its totient is φ = 3480725736640.

The previous prime is 3480725736617. The next prime is 3480725736689. The reversal of 3480725736641 is 1466375270843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2268698688400 + 1212027048241 = 1506220^2 + 1100921^2 .

It is a cyclic number.

It is not a de Polignac number, because 3480725736641 - 2⁶ = 3480725736577 is a prime.

It is not a weakly prime, because it can be changed into another prime (3480725736841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740362868320 + 1740362868321.

It is an arithmetic number, because the mean of its divisors is an integer number (1740362868321).

Almost surely, 2^{3480725736641} is an apocalyptic number.

It is an amenable number.

3480725736641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3480725736641 is an equidigital number, since it uses as much as digits as its factorization.

3480725736641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 3480725736641 in words is "three trillion, four hundred eighty billion, seven hundred twenty-five million, seven hundred thirty-six thousand, six hundred forty-one".