6138193730 has 16 divisors (see below), whose sum is σ = 11050032960. Its totient is φ = 2454992112.

The previous prime is 6138193729. The next prime is 6138193739. The reversal of 6138193730 is 373918316.

It is a super-2 number, since 2×6138193730² = 75354844534022625800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6138193739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69401 + ... + 130739.

It is an arithmetic number, because the mean of its divisors is an integer number (690627060).

Almost surely, 2^6138193730 is an apocalyptic number.

6138193730 is a deficient number, since it is larger than the sum of its proper divisors (4911839230).

6138193730 is a wasteful number, since it uses less digits than its factorization.

6138193730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71353.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 6138193730 is about 78346.6255176316. The cubic root of 6138193730 is about 1830.9656513850.

The spelling of 6138193730 in words is "six billion, one hundred thirty-eight million, one hundred ninety-three thousand, seven hundred thirty".