6838626145 has 8 divisors (see below), whose sum is σ = 8837609256. Its totient is φ = 5050062336.

The previous prime is 6838626127. The next prime is 6838626169. The reversal of 6838626145 is 5416268386.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14379264 + 6824246881 = 3792^2 + 82609^2 .

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 6838626145 - 2³¹ = 4691142497 is a prime.

It is a super-2 number, since 2×6838626145² = 93533615102155122050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52604752 + ... + 52604881.

It is an arithmetic number, because the mean of its divisors is an integer number (1104701157).

Almost surely, 2^6838626145 is an apocalyptic number.

6838626145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6838626145 is a deficient number, since it is larger than the sum of its proper divisors (1998983111).

6838626145 is a wasteful number, since it uses less digits than its factorization.

6838626145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105209651.

The product of its digits is 1658880, while the sum is 49.

The square root of 6838626145 is about 82695.9862689841. The cubic root of 6838626145 is about 1898.1168918679.

The spelling of 6838626145 in words is "six billion, eight hundred thirty-eight million, six hundred twenty-six thousand, one hundred forty-five".