3450644266081 has 2 divisors, whose sum is σ = 3450644266082. Its totient is φ = 3450644266080.

The previous prime is 3450644266079. The next prime is 3450644266099. The reversal of 3450644266081 is 1806624460543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1954169143056 + 1496475123025 = 1397916^2 + 1223305^2 .

It is a cyclic number.

It is not a de Polignac number, because 3450644266081 - 2¹ = 3450644266079 is a prime.

It is a super-2 number, since 2×3450644266081² (a number of 26 digits) contains 22 as substring.

Together with 3450644266079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3450644266031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725322133040 + 1725322133041.

It is an arithmetic number, because the mean of its divisors is an integer number (1725322133041).

Almost surely, 2^{3450644266081} is an apocalyptic number.

It is an amenable number.

3450644266081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3450644266081 is an equidigital number, since it uses as much as digits as its factorization.

3450644266081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 3450644266081 in words is "three trillion, four hundred fifty billion, six hundred forty-four million, two hundred sixty-six thousand, eighty-one".