29383228394 has 16 divisors (see below), whose sum is σ = 48115426632. Its totient is φ = 13375715328.

The previous prime is 29383228393. The next prime is 29383228403. The reversal of 29383228394 is 49382238392.

It can be written as a sum of positive squares in 4 ways, for example, as 19225209025 + 10158019369 = 138655^2 + 100787^2 .

It is a super-2 number, since 2×29383228394² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29383228393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7738679 + ... + 7742474.

Almost surely, 2^29383228394 is an apocalyptic number.

29383228394 is a deficient number, since it is larger than the sum of its proper divisors (18732198238).

29383228394 is a wasteful number, since it uses less digits than its factorization.

29383228394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15481241.

The product of its digits is 4478976, while the sum is 53.

The spelling of 29383228394 in words is "twenty-nine billion, three hundred eighty-three million, two hundred twenty-eight thousand, three hundred ninety-four".