6213746826 has 96 divisors (see below), whose sum is σ = 15923920896. Its totient is φ = 1713636000.

The previous prime is 6213746809. The next prime is 6213746827. The reversal of 6213746826 is 6286473126.

It is a super-2 number, since 2×6213746826² = 77221299235250148552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6213746827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1681641 + ... + 1685331.

It is an arithmetic number, because the mean of its divisors is an integer number (165874176).

Almost surely, 2^6213746826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6213746826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7961960448).

6213746826 is an abundant number, since it is smaller than the sum of its proper divisors (9710174070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6213746826 is a wasteful number, since it uses less digits than its factorization.

6213746826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168 (or 4165 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 6213746826 is about 78827.3228392288. The cubic root of 6213746826 is about 1838.4472985267.

The spelling of 6213746826 in words is "six billion, two hundred thirteen million, seven hundred forty-six thousand, eight hundred twenty-six".