6838556725 has 48 divisors (see below), whose sum is σ = 11385521280. Its totient is φ = 3935059200.

The previous prime is 6838556723. The next prime is 6838556743. The reversal of 6838556725 is 5276558386.

It is not a de Polignac number, because 6838556725 - 2¹ = 6838556723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838556723) 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, 111610 + ... + 161659.

It is an arithmetic number, because the mean of its divisors is an integer number (237198360).

Almost surely, 2^6838556725 is an apocalyptic number.

6838556725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6838556725 is a deficient number, since it is larger than the sum of its proper divisors (4546964555).

6838556725 is a wasteful number, since it uses less digits than its factorization.

6838556725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273310 (or 273305 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 55.

The square root of 6838556725 is about 82695.5665377534. The cubic root of 6838556725 is about 1898.1104691490.

The spelling of 6838556725 in words is "six billion, eight hundred thirty-eight million, five hundred fifty-six thousand, seven hundred twenty-five".