3402475045681 has 2 divisors, whose sum is σ = 3402475045682. Its totient is φ = 3402475045680.

The previous prime is 3402475045637. The next prime is 3402475045687. The reversal of 3402475045681 is 1865405742043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2170197439281 + 1232277606400 = 1473159^2 + 1110080^2 .

It is a cyclic number.

It is not a de Polignac number, because 3402475045681 - 2⁴¹ = 1203451790129 is a prime.

It is a super-2 number, since 2×3402475045681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3402475045687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701237522840 + 1701237522841.

It is an arithmetic number, because the mean of its divisors is an integer number (1701237522841).

Almost surely, 2^{3402475045681} is an apocalyptic number.

It is an amenable number.

3402475045681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3402475045681 is an equidigital number, since it uses as much as digits as its factorization.

3402475045681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 3402475045681 in words is "three trillion, four hundred two billion, four hundred seventy-five million, forty-five thousand, six hundred eighty-one".