3428370781 has 8 divisors (see below), whose sum is σ = 3741409728. Its totient is φ = 3115560000.

The previous prime is 3428370767. The next prime is 3428370797. The reversal of 3428370781 is 1870738243.

3428370781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3428370781 - 2⁷ = 3428370653 is a prime.

It is a super-2 number, since 2×3428370781² = 23507452424029099922, 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 (3428370721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24825 + ... + 86446.

It is an arithmetic number, because the mean of its divisors is an integer number (467676216).

Almost surely, 2^3428370781 is an apocalyptic number.

It is an amenable number.

3428370781 is a deficient number, since it is larger than the sum of its proper divisors (313038947).

3428370781 is a wasteful number, since it uses less digits than its factorization.

3428370781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114083.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 3428370781 is about 58552.2909970225. The cubic root of 3428370781 is about 1507.8654665717.

The spelling of 3428370781 in words is "three billion, four hundred twenty-eight million, three hundred seventy thousand, seven hundred eighty-one".