15341320643 has 16 divisors (see below), whose sum is σ = 17478201600. Its totient is φ = 13329154080.

The previous prime is 15341320637. The next prime is 15341320661. The reversal of 15341320643 is 34602314351.

It is not a de Polignac number, because 15341320643 - 2¹⁰ = 15341319619 is a prime.

It is a super-2 number, since 2×15341320643² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15341320663) 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 15 ways as a sum of consecutive naturals, for example, 286268 + ... + 335606.

It is an arithmetic number, because the mean of its divisors is an integer number (1092387600).

Almost surely, 2^15341320643 is an apocalyptic number.

15341320643 is a deficient number, since it is larger than the sum of its proper divisors (2136880957).

15341320643 is a wasteful number, since it uses less digits than its factorization.

15341320643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50602.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 15341320643 its reverse (34602314351), we get a palindrome (49943634994).

The spelling of 15341320643 in words is "fifteen billion, three hundred forty-one million, three hundred twenty thousand, six hundred forty-three".