15264341641 has 4 divisors (see below), whose sum is σ = 15285166852. Its totient is φ = 15243516432.

The previous prime is 15264341623. The next prime is 15264341647. The reversal of 15264341641 is 14614346251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13339326016 + 1925015625 = 115496^2 + 43875^2 .

It is a cyclic number.

It is not a de Polignac number, because 15264341641 - 2²¹ = 15262244489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15264341641.

It is not an unprimeable number, because it can be changed into a prime (15264341647) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10411506 + ... + 10412971.

It is an arithmetic number, because the mean of its divisors is an integer number (3821291713).

Almost surely, 2^15264341641 is an apocalyptic number.

It is an amenable number.

15264341641 is a deficient number, since it is larger than the sum of its proper divisors (20825211).

15264341641 is an equidigital number, since it uses as much as digits as its factorization.

15264341641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20825210.

The product of its digits is 69120, while the sum is 37.

Adding to 15264341641 its reverse (14614346251), we get a palindrome (29878687892).

The spelling of 15264341641 in words is "fifteen billion, two hundred sixty-four million, three hundred forty-one thousand, six hundred forty-one".