6415028945 has 8 divisors (see below), whose sum is σ = 8290191336. Its totient is φ = 4737252096.

The previous prime is 6415028933. The next prime is 6415028959. The reversal of 6415028945 is 5498205146.

It can be written as a sum of positive squares in 4 ways, for example, as 75047569 + 6339981376 = 8663^2 + 79624^2 .

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 6415028945 - 2¹² = 6415024849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6415028896 and 6415028905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49346312 + ... + 49346441.

It is an arithmetic number, because the mean of its divisors is an integer number (1036273917).

Almost surely, 2^6415028945 is an apocalyptic number.

6415028945 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6415028945 is a deficient number, since it is larger than the sum of its proper divisors (1875162391).

6415028945 is a wasteful number, since it uses less digits than its factorization.

6415028945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98692771.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 6415028945 is about 80093.8758270568. The cubic root of 6415028945 is about 1858.0876928341.

The spelling of 6415028945 in words is "six billion, four hundred fifteen million, twenty-eight thousand, nine hundred forty-five".