29316780361 has 16 divisors (see below), whose sum is σ = 32439593088. Its totient is φ = 26491827120.

The previous prime is 29316780323. The next prime is 29316780391. The reversal of 29316780361 is 16308761392.

It is not a de Polignac number, because 29316780361 - 2¹³ = 29316772169 is a prime.

It is a super-2 number, since 2×29316780361² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29316780391) 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 15 ways as a sum of consecutive naturals, for example, 156331 + ... + 288223.

It is an arithmetic number, because the mean of its divisors is an integer number (2027474568).

Almost surely, 2^29316780361 is an apocalyptic number.

It is an amenable number.

29316780361 is a deficient number, since it is larger than the sum of its proper divisors (3122812727).

29316780361 is a wasteful number, since it uses less digits than its factorization.

29316780361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132093 (or 132071 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 29316780361 in words is "twenty-nine billion, three hundred sixteen million, seven hundred eighty thousand, three hundred sixty-one".