3404034000781 has 2 divisors, whose sum is σ = 3404034000782. Its totient is φ = 3404034000780.

The previous prime is 3404034000671. The next prime is 3404034000791. The reversal of 3404034000781 is 1870004304043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3264562376100 + 139471624681 = 1806810^2 + 373459^2 .

It is a cyclic number.

It is not a de Polignac number, because 3404034000781 - 2¹¹ = 3404033998733 is a prime.

It is a super-2 number, since 2×3404034000781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3404034000791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702017000390 + 1702017000391.

It is an arithmetic number, because the mean of its divisors is an integer number (1702017000391).

Almost surely, 2^{3404034000781} is an apocalyptic number.

It is an amenable number.

3404034000781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3404034000781 is an equidigital number, since it uses as much as digits as its factorization.

3404034000781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 3404034000781 in words is "three trillion, four hundred four billion, thirty-four million, seven hundred eighty-one", and thus it is an aban number.