6147981399 has 8 divisors (see below), whose sum is σ = 9368352640. Its totient is φ = 3513132216.

The previous prime is 6147981361. The next prime is 6147981407. The reversal of 6147981399 is 9931897416.

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

It is not a de Polignac number, because 6147981399 - 2⁹ = 6147980887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6147981599) 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 7 ways as a sum of consecutive naturals, for example, 146380489 + ... + 146380530.

It is an arithmetic number, because the mean of its divisors is an integer number (1171044080).

Almost surely, 2^6147981399 is an apocalyptic number.

6147981399 is a deficient number, since it is larger than the sum of its proper divisors (3220371241).

6147981399 is a wasteful number, since it uses less digits than its factorization.

6147981399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292761029.

The product of its digits is 2939328, while the sum is 57.

The square root of 6147981399 is about 78409.0645206280. The cubic root of 6147981399 is about 1831.9383245471.

The spelling of 6147981399 in words is "six billion, one hundred forty-seven million, nine hundred eighty-one thousand, three hundred ninety-nine".