6151148609 has 4 divisors (see below), whose sum is σ = 6154427604. Its totient is φ = 6147869616.

The previous prime is 6151148599. The next prime is 6151148611. The reversal of 6151148609 is 9068411516.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2425267009 + 3725881600 = 49247^2 + 61040^2 .

It is a cyclic number.

It is not a de Polignac number, because 6151148609 - 2¹⁶ = 6151083073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6151148659) 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, 1636682 + ... + 1640435.

It is an arithmetic number, because the mean of its divisors is an integer number (1538606901).

Almost surely, 2^6151148609 is an apocalyptic number.

It is an amenable number.

6151148609 is a deficient number, since it is larger than the sum of its proper divisors (3278995).

6151148609 is a wasteful number, since it uses less digits than its factorization.

6151148609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278994.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 6151148609 is about 78429.2586283971. The cubic root of 6151148609 is about 1832.2528525709.

The spelling of 6151148609 in words is "six billion, one hundred fifty-one million, one hundred forty-eight thousand, six hundred nine".