3420026643 has 24 divisors (see below), whose sum is σ = 5025697600. Its totient is φ = 2067191280.

The previous prime is 3420026641. The next prime is 3420026677. The reversal of 3420026643 is 3466200243.

It is a happy number.

It is not a de Polignac number, because 3420026643 - 2¹ = 3420026641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3420026643.

It is not an unprimeable number, because it can be changed into a prime (3420026641) 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 in 23 ways as a sum of consecutive naturals, for example, 125148 + ... + 150006.

Almost surely, 2^3420026643 is an apocalyptic number.

3420026643 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3420026643 is a deficient number, since it is larger than the sum of its proper divisors (1605670957).

3420026643 is a wasteful number, since it uses less digits than its factorization.

3420026643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25263 (or 25252 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 3420026643 is about 58480.9938612538. The cubic root of 3420026643 is about 1506.6411669845.

Adding to 3420026643 its reverse (3466200243), we get a palindrome (6886226886).

The spelling of 3420026643 in words is "three billion, four hundred twenty million, twenty-six thousand, six hundred forty-three".