6465125045 has 16 divisors (see below), whose sum is σ = 7835625072. Its totient is φ = 5120701440.

The previous prime is 6465125021. The next prime is 6465125081. The reversal of 6465125045 is 5405215646.

6465125045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 32924644 + 6432200401 = 5738^2 + 80201^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6465125045 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192959 + ... + 223971.

It is an arithmetic number, because the mean of its divisors is an integer number (489726567).

Almost surely, 2^6465125045 is an apocalyptic number.

It is an amenable number.

6465125045 is a deficient number, since it is larger than the sum of its proper divisors (1370500027).

6465125045 is a wasteful number, since it uses less digits than its factorization.

6465125045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31432.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 6465125045 is about 80406.0012996542. The cubic root of 6465125045 is about 1862.9118691555.

The spelling of 6465125045 in words is "six billion, four hundred sixty-five million, one hundred twenty-five thousand, forty-five".