3436734781 has 2 divisors, whose sum is σ = 3436734782. Its totient is φ = 3436734780.

The previous prime is 3436734757. The next prime is 3436734823. The reversal of 3436734781 is 1874376343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3403672281 + 33062500 = 58341^2 + 5750^2 .

It is a cyclic number.

It is not a de Polignac number, because 3436734781 - 2²¹ = 3434637629 is a prime.

It is a super-2 number, since 2×3436734781² = 23622291909870235922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3436732781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718367390 + 1718367391.

It is an arithmetic number, because the mean of its divisors is an integer number (1718367391).

Almost surely, 2^3436734781 is an apocalyptic number.

It is an amenable number.

3436734781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3436734781 is an equidigital number, since it uses as much as digits as its factorization.

3436734781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 46.

The square root of 3436734781 is about 58623.6708250174. The cubic root of 3436734781 is about 1509.0906884395.

The spelling of 3436734781 in words is "three billion, four hundred thirty-six million, seven hundred thirty-four thousand, seven hundred eighty-one".