13429021757 has 8 divisors (see below), whose sum is σ = 13684132440. Its totient is φ = 13173975360.

The previous prime is 13429021751. The next prime is 13429021763. The reversal of 13429021757 is 75712092431.

It is a happy number.

13429021757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13429021751) and next prime (13429021763).

It can be written as a sum of positive squares in 4 ways, for example, as 1663497796 + 11765523961 = 40786^2 + 108469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13429021757 - 2¹⁰ = 13429020733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13429021751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734507 + ... + 752567.

It is an arithmetic number, because the mean of its divisors is an integer number (1710516555).

Almost surely, 2^13429021757 is an apocalyptic number.

It is an amenable number.

13429021757 is a deficient number, since it is larger than the sum of its proper divisors (255110683).

13429021757 is a wasteful number, since it uses less digits than its factorization.

13429021757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32143.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 13429021757 in words is "thirteen billion, four hundred twenty-nine million, twenty-one thousand, seven hundred fifty-seven".