13019129623 has 2 divisors, whose sum is σ = 13019129624. Its totient is φ = 13019129622.

The previous prime is 13019129609. The next prime is 13019129647. The reversal of 13019129623 is 32692191031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13019129623 is a prime.

It is a super-2 number, since 2×13019129623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13019129603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6509564811 + 6509564812.

It is an arithmetic number, because the mean of its divisors is an integer number (6509564812).

Almost surely, 2^13019129623 is an apocalyptic number.

13019129623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13019129623 is an equidigital number, since it uses as much as digits as its factorization.

13019129623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 13019129623 in words is "thirteen billion, nineteen million, one hundred twenty-nine thousand, six hundred twenty-three".