6289954145 has 4 divisors (see below), whose sum is σ = 7547944980. Its totient is φ = 5031963312.

The previous prime is 6289954103. The next prime is 6289954147. The reversal of 6289954145 is 5414599826.

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 1154368576 + 5135585569 = 33976^2 + 71663^2 .

It is a cyclic number.

It is not a de Polignac number, because 6289954145 - 2¹² = 6289950049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6289954147) 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 3 ways as a sum of consecutive naturals, for example, 628995410 + ... + 628995419.

It is an arithmetic number, because the mean of its divisors is an integer number (1886986245).

Almost surely, 2^6289954145 is an apocalyptic number.

It is an amenable number.

6289954145 is a deficient number, since it is larger than the sum of its proper divisors (1257990835).

6289954145 is a wasteful number, since it uses less digits than its factorization.

6289954145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257990834.

The product of its digits is 3110400, while the sum is 53.

The square root of 6289954145 is about 79309.2311461913. The cubic root of 6289954145 is about 1845.9325436549.

The spelling of 6289954145 in words is "six billion, two hundred eighty-nine million, nine hundred fifty-four thousand, one hundred forty-five".