29973602813 has 16 divisors (see below), whose sum is σ = 37373754240. Its totient is φ = 23353512000.

The previous prime is 29973602809. The next prime is 29973602821. The reversal of 29973602813 is 31820637992.

It is a happy number.

It is not a de Polignac number, because 29973602813 - 2² = 29973602809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29973602863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1022663 + ... + 1051563.

It is an arithmetic number, because the mean of its divisors is an integer number (2335859640).

Almost surely, 2^29973602813 is an apocalyptic number.

It is an amenable number.

29973602813 is a deficient number, since it is larger than the sum of its proper divisors (7400151427).

29973602813 is a wasteful number, since it uses less digits than its factorization.

29973602813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42388.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 29973602813 in words is "twenty-nine billion, nine hundred seventy-three million, six hundred two thousand, eight hundred thirteen".