6148642169 has 2 divisors, whose sum is σ = 6148642170. Its totient is φ = 6148642168.

The previous prime is 6148642151. The next prime is 6148642189. The reversal of 6148642169 is 9612468416.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6109454569 + 39187600 = 78163^2 + 6260^2 .

It is a cyclic number.

It is not a de Polignac number, because 6148642169 - 2¹² = 6148638073 is a prime.

It is a super-2 number, since 2×6148642169² = 75611601044810049122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6148642109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3074321084 + 3074321085.

It is an arithmetic number, because the mean of its divisors is an integer number (3074321085).

Almost surely, 2^6148642169 is an apocalyptic number.

It is an amenable number.

6148642169 is a deficient number, since it is larger than the sum of its proper divisors (1).

6148642169 is an equidigital number, since it uses as much as digits as its factorization.

6148642169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The square root of 6148642169 is about 78413.2780146322. The cubic root of 6148642169 is about 1832.0039529457.

The spelling of 6148642169 in words is "six billion, one hundred forty-eight million, six hundred forty-two thousand, one hundred sixty-nine".