6149917993 has 4 divisors (see below), whose sum is σ = 6280767360. Its totient is φ = 6019068628.

The previous prime is 6149917987. The next prime is 6149918003. The reversal of 6149917993 is 3997199416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6149917993 - 2¹⁷ = 6149786921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6149917913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65424613 + ... + 65424706.

It is an arithmetic number, because the mean of its divisors is an integer number (1570191840).

Almost surely, 2^6149917993 is an apocalyptic number.

It is an amenable number.

6149917993 is a deficient number, since it is larger than the sum of its proper divisors (130849367).

6149917993 is a wasteful number, since it uses less digits than its factorization.

6149917993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130849366.

The product of its digits is 3306744, while the sum is 58.

The square root of 6149917993 is about 78421.4128475125. The cubic root of 6149917993 is about 1832.1306558775.

The spelling of 6149917993 in words is "six billion, one hundred forty-nine million, nine hundred seventeen thousand, nine hundred ninety-three".