6139775418 has 16 divisors (see below), whose sum is σ = 14033772480. Its totient is φ = 1754221536.

The previous prime is 6139775417. The next prime is 6139775459. The reversal of 6139775418 is 8145779316.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6139775417) 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, 73092523 + ... + 73092606.

It is an arithmetic number, because the mean of its divisors is an integer number (877110780).

Almost surely, 2^6139775418 is an apocalyptic number.

6139775418 is an abundant number, since it is smaller than the sum of its proper divisors (7893997062).

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

6139775418 is a wasteful number, since it uses less digits than its factorization.

6139775418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146185141.

The product of its digits is 1270080, while the sum is 51.

The square root of 6139775418 is about 78356.7190354471. The cubic root of 6139775418 is about 1831.1229054467.

The spelling of 6139775418 in words is "six billion, one hundred thirty-nine million, seven hundred seventy-five thousand, four hundred eighteen".