29953890993 has 16 divisors (see below), whose sum is σ = 43017871680. Its totient is φ = 18430096704.

The previous prime is 29953890971. The next prime is 29953891003. The reversal of 29953890993 is 39909835992.

It is not a de Polignac number, because 29953890993 - 2¹⁴ = 29953874609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29953820993) 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, 185863 + ... + 307331.

It is an arithmetic number, because the mean of its divisors is an integer number (2688616980).

Almost surely, 2^29953890993 is an apocalyptic number.

It is an amenable number.

29953890993 is a deficient number, since it is larger than the sum of its proper divisors (13063980687).

29953890993 is a wasteful number, since it uses less digits than its factorization.

29953890993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127808.

The product of its (nonzero) digits is 42515280, while the sum is 66.

The spelling of 29953890993 in words is "twenty-nine billion, nine hundred fifty-three million, eight hundred ninety thousand, nine hundred ninety-three".