264653441515 has 32 divisors (see below), whose sum is σ = 323741811456. Its totient is φ = 207665233920.

The previous prime is 264653441513. The next prime is 264653441527. The reversal of 264653441515 is 515144356462.

It is not a de Polignac number, because 264653441515 - 2¹ = 264653441513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264653441513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25361739 + ... + 25372171.

It is an arithmetic number, because the mean of its divisors is an integer number (10116931608).

Almost surely, 2^264653441515 is an apocalyptic number.

264653441515 is a deficient number, since it is larger than the sum of its proper divisors (59088369941).

264653441515 is a wasteful number, since it uses less digits than its factorization.

264653441515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10999.

The product of its digits is 1728000, while the sum is 46.

Adding to 264653441515 its reverse (515144356462), we get a palindrome (779797797977).

The spelling of 264653441515 in words is "two hundred sixty-four billion, six hundred fifty-three million, four hundred forty-one thousand, five hundred fifteen".