29431648030649 has 8 divisors (see below), whose sum is σ = 29729810782728. Its totient is φ = 29133617833600.

The previous prime is 29431648030579. The next prime is 29431648030657. The reversal of 29431648030649 is 94603084613492.

It can be written as a sum of positive squares in 4 ways, for example, as 9318934552249 + 20112713478400 = 3052693^2 + 4484720^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29431648030649 is a prime.

It is a super-2 number, since 2×29431648030649² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29431648030669) 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, 32692412 + ... + 33580605.

It is an arithmetic number, because the mean of its divisors is an integer number (3716226347841).

Almost surely, 2^{29431648030649} is an apocalyptic number.

It is an amenable number.

29431648030649 is a deficient number, since it is larger than the sum of its proper divisors (298162752079).

29431648030649 is a wasteful number, since it uses less digits than its factorization.

29431648030649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66277515.

The product of its (nonzero) digits is 26873856, while the sum is 59.

The spelling of 29431648030649 in words is "twenty-nine trillion, four hundred thirty-one billion, six hundred forty-eight million, thirty thousand, six hundred forty-nine".