6448501465 has 16 divisors (see below), whose sum is σ = 8993554560. Its totient is φ = 4346881920.

The previous prime is 6448501463. The next prime is 6448501469. The reversal of 6448501465 is 5641058446.

It is not a de Polignac number, because 6448501465 - 2¹ = 6448501463 is a prime.

It is a super-2 number, since 2×6448501465² = 83166342288214292450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6448501463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559316 + ... + 1563445.

It is an arithmetic number, because the mean of its divisors is an integer number (562097160).

Almost surely, 2^6448501465 is an apocalyptic number.

It is an amenable number.

6448501465 is a deficient number, since it is larger than the sum of its proper divisors (2545053095).

6448501465 is a wasteful number, since it uses less digits than its factorization.

6448501465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122832.

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 6448501465 is about 80302.5620076969. The cubic root of 6448501465 is about 1861.3138157618.

The spelling of 6448501465 in words is "six billion, four hundred forty-eight million, five hundred one thousand, four hundred sixty-five".