29434815945 has 12 divisors (see below), whose sum is σ = 51020347716. Its totient is φ = 15698568480.

The previous prime is 29434815923. The next prime is 29434816013. The reversal of 29434815945 is 54951843492.

It is a happy number.

29434815945 is a `hidden beast` number, since 2 + 9 + 4 + 3 + 48 + 1 + 594 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19162588041 + 10272227904 = 138429^2 + 101352^2 .

It is not a de Polignac number, because 29434815945 - 2⁸ = 29434815689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29434815891 and 29434815900.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327053466 + ... + 327053555.

It is an arithmetic number, because the mean of its divisors is an integer number (4251695643).

Almost surely, 2^29434815945 is an apocalyptic number.

It is an amenable number.

29434815945 is a deficient number, since it is larger than the sum of its proper divisors (21585531771).

29434815945 is a wasteful number, since it uses less digits than its factorization.

29434815945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654107032 (or 654107029 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 29434815945 in words is "twenty-nine billion, four hundred thirty-four million, eight hundred fifteen thousand, nine hundred forty-five".