29287131445 has 16 divisors (see below), whose sum is σ = 41288712192. Its totient is φ = 19661290560.

The previous prime is 29287131437. The next prime is 29287131491. The reversal of 29287131445 is 54413178292.

It is not a de Polignac number, because 29287131445 - 2³ = 29287131437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29287131395 and 29287131404.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20479797 + ... + 20481226.

It is an arithmetic number, because the mean of its divisors is an integer number (2580544512).

Almost surely, 2^29287131445 is an apocalyptic number.

It is an amenable number.

29287131445 is a deficient number, since it is larger than the sum of its proper divisors (12001580747).

29287131445 is a wasteful number, since it uses less digits than its factorization.

29287131445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40961052.

The product of its digits is 483840, while the sum is 46.

The spelling of 29287131445 in words is "twenty-nine billion, two hundred eighty-seven million, one hundred thirty-one thousand, four hundred forty-five".