6145971217 has 8 divisors (see below), whose sum is σ = 6307932960. Its totient is φ = 5984583840.

The previous prime is 6145971203. The next prime is 6145971229. The reversal of 6145971217 is 7121795416.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6145971217 - 2⁷ = 6145971089 is a prime.

It is a super-2 number, since 2×6145971217² = 75545924400384922178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6145971917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121867 + ... + 164752.

It is an arithmetic number, because the mean of its divisors is an integer number (788491620).

Almost surely, 2^6145971217 is an apocalyptic number.

It is an amenable number.

6145971217 is a deficient number, since it is larger than the sum of its proper divisors (161961743).

6145971217 is a wasteful number, since it uses less digits than its factorization.

6145971217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287183.

The product of its digits is 105840, while the sum is 43.

The square root of 6145971217 is about 78396.2449164499. The cubic root of 6145971217 is about 1831.7386421563.

The spelling of 6145971217 in words is "six billion, one hundred forty-five million, nine hundred seventy-one thousand, two hundred seventeen".