6455441515 has 16 divisors (see below), whose sum is σ = 7790162688. Its totient is φ = 5135338336.

The previous prime is 6455441479. The next prime is 6455441537. The reversal of 6455441515 is 5151445546.

It is a cyclic number.

It is not a de Polignac number, because 6455441515 - 2¹⁷ = 6455310443 is a prime.

It is a Duffinian 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, 767724 + ... + 776086.

It is an arithmetic number, because the mean of its divisors is an integer number (486885168).

Almost surely, 2^6455441515 is an apocalyptic number.

6455441515 is a deficient number, since it is larger than the sum of its proper divisors (1334721173).

6455441515 is a wasteful number, since it uses less digits than its factorization.

6455441515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9218.

The product of its digits is 240000, while the sum is 40.

The square root of 6455441515 is about 80345.7622715722. The cubic root of 6455441515 is about 1861.9813082892.

The spelling of 6455441515 in words is "six billion, four hundred fifty-five million, four hundred forty-one thousand, five hundred fifteen".