13130250643 has 4 divisors (see below), whose sum is σ = 13485122320. Its totient is φ = 12775378968.

The previous prime is 13130250607. The next prime is 13130250733. The reversal of 13130250643 is 34605203131.

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

It is a cyclic number.

It is not a de Polignac number, because 13130250643 - 2³³ = 4540316051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13130257643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177435783 + ... + 177435856.

It is an arithmetic number, because the mean of its divisors is an integer number (3371280580).

Almost surely, 2^13130250643 is an apocalyptic number.

13130250643 is a deficient number, since it is larger than the sum of its proper divisors (354871677).

13130250643 is an equidigital number, since it uses as much as digits as its factorization.

13130250643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354871676.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 13130250643 its reverse (34605203131), we get a palindrome (47735453774).

The spelling of 13130250643 in words is "thirteen billion, one hundred thirty million, two hundred fifty thousand, six hundred forty-three".