29809403716 has 27 divisors (see below), whose sum is σ = 52575100221. Its totient is φ = 14788851024.

The previous prime is 29809403671. The next prime is 29809403773. The reversal of 29809403716 is 61730490892.

The square root of 29809403716 is 172654.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 27116208900 + 2693194816 = 164670^2 + 51896^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29809403716.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59738035 + ... + 59738533.

Almost surely, 2^29809403716 is an apocalyptic number.

29809403716 is the 172654-th square number.

It is an amenable number.

29809403716 is a deficient number, since it is larger than the sum of its proper divisors (22765696505).

29809403716 is an frugal number, since it uses more digits than its factorization.

29809403716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

Multiplying 29809403716 by its sum of digits (49), we get a square (1460660782084 = 1208578²).

The spelling of 29809403716 in words is "twenty-nine billion, eight hundred nine million, four hundred three thousand, seven hundred sixteen".