29954842637813 has 8 divisors (see below), whose sum is σ = 30651582084288. Its totient is φ = 29258108427744.

The previous prime is 29954842637789. The next prime is 29954842637911. The reversal of 29954842637813 is 31873624845992.

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

It is a cyclic number.

It is not a de Polignac number, because 29954842637813 - 2³⁰ = 29953768895989 is a prime.

It is a super-2 number, since 2×29954842637813² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29954842630813) 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, 11766281 + ... + 14083857.

It is an arithmetic number, because the mean of its divisors is an integer number (3831447760536).

Almost surely, 2^{29954842637813} is an apocalyptic number.

It is an amenable number.

29954842637813 is a deficient number, since it is larger than the sum of its proper divisors (696739446475).

29954842637813 is a wasteful number, since it uses less digits than its factorization.

29954842637813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618203.

The product of its digits is 627056640, while the sum is 71.

The spelling of 29954842637813 in words is "twenty-nine trillion, nine hundred fifty-four billion, eight hundred forty-two million, six hundred thirty-seven thousand, eight hundred thirteen".