29144041787930 has 16 divisors (see below), whose sum is σ = 55545114937320. Its totient is φ = 10971874555392.

The previous prime is 29144041787891. The next prime is 29144041787941. The reversal of 29144041787930 is 3978714044192.

It can be written as a sum of positive squares in 4 ways, for example, as 28943636045041 + 200405742889 = 5379929^2 + 447667^2 .

It is a super-2 number, since 2×29144041787930² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29144041787930.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85717769795 + ... + 85717770134.

Almost surely, 2^{29144041787930} is an apocalyptic number.

29144041787930 is a deficient number, since it is larger than the sum of its proper divisors (26401073149390).

29144041787930 is a wasteful number, since it uses less digits than its factorization.

29144041787930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171435539953.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 29144041787930 in words is "twenty-nine trillion, one hundred forty-four billion, forty-one million, seven hundred eighty-seven thousand, nine hundred thirty".