6121279394 has 8 divisors (see below), whose sum is σ = 9182956368. Its totient is φ = 3060293940.

The previous prime is 6121279349. The next prime is 6121279399. The reversal of 6121279394 is 4939721216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6121279394² = 74940122838818014472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6121279399) 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 3 ways as a sum of consecutive naturals, for example, 150152 + ... + 186515.

It is an arithmetic number, because the mean of its divisors is an integer number (1147869546).

Almost surely, 2^6121279394 is an apocalyptic number.

6121279394 is a deficient number, since it is larger than the sum of its proper divisors (3061676974).

6121279394 is a wasteful number, since it uses less digits than its factorization.

6121279394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345760.

The product of its digits is 163296, while the sum is 44.

The square root of 6121279394 is about 78238.6055218266. The cubic root of 6121279394 is about 1829.2823082776.

The spelling of 6121279394 in words is "six billion, one hundred twenty-one million, two hundred seventy-nine thousand, three hundred ninety-four".