3400404281 has 2 divisors, whose sum is σ = 3400404282. Its totient is φ = 3400404280.

The previous prime is 3400404247. The next prime is 3400404307. The reversal of 3400404281 is 1824040043.

3400404281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3400404307) can be obtained adding 3400404281 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1957620025 + 1442784256 = 44245^2 + 37984^2 .

It is a cyclic number.

It is not a de Polignac number, because 3400404281 - 2¹⁴ = 3400387897 is a prime.

It is a super-2 number, since 2×3400404281² = 23125498548486253922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3400404281.

It is not a weakly prime, because it can be changed into another prime (3400407281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700202140 + 1700202141.

It is an arithmetic number, because the mean of its divisors is an integer number (1700202141).

Almost surely, 2^3400404281 is an apocalyptic number.

It is an amenable number.

3400404281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400404281 is an equidigital number, since it uses as much as digits as its factorization.

3400404281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 3400404281 is about 58312.9855263817. The cubic root of 3400404281 is about 1503.7541933679.

The spelling of 3400404281 in words is "three billion, four hundred million, four hundred four thousand, two hundred eighty-one".