3364006781 has 4 divisors (see below), whose sum is σ = 3401804700. Its totient is φ = 3326208864.

The previous prime is 3364006769. The next prime is 3364006799. The reversal of 3364006781 is 1876004633.

3364006781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1876004633 = 823 ⋅2279471.

It can be written as a sum of positive squares in 2 ways, for example, as 611325625 + 2752681156 = 24725^2 + 52466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3364006781 is a prime.

It is a super-2 number, since 2×3364006781² = 22633083245227963922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3364006741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18898826 + ... + 18899003.

It is an arithmetic number, because the mean of its divisors is an integer number (850451175).

Almost surely, 2^3364006781 is an apocalyptic number.

It is an amenable number.

3364006781 is a deficient number, since it is larger than the sum of its proper divisors (37797919).

3364006781 is an equidigital number, since it uses as much as digits as its factorization.

3364006781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37797918.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 3364006781 is about 58000.0584568671. The cubic root of 3364006781 is about 1498.3696034765.

The spelling of 3364006781 in words is "three billion, three hundred sixty-four million, six thousand, seven hundred eighty-one".