6138671398 has 32 divisors (see below), whose sum is σ = 9569184768. Its totient is φ = 2950365600.

The previous prime is 6138671393. The next prime is 6138671419. The reversal of 6138671398 is 8931768316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6138671393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10750453 + ... + 10751023.

It is an arithmetic number, because the mean of its divisors is an integer number (299037024).

Almost surely, 2^6138671398 is an apocalyptic number.

6138671398 is a deficient number, since it is larger than the sum of its proper divisors (3430513370).

6138671398 is a wasteful number, since it uses less digits than its factorization.

6138671398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468.

The product of its digits is 1306368, while the sum is 52.

The square root of 6138671398 is about 78349.6738857285. The cubic root of 6138671398 is about 1831.0131447820.

The spelling of 6138671398 in words is "six billion, one hundred thirty-eight million, six hundred seventy-one thousand, three hundred ninety-eight".