29869394373 has 72 divisors (see below), whose sum is σ = 55510568568. Its totient is φ = 15329357568.

The previous prime is 29869394323. The next prime is 29869394411. The reversal of 29869394373 is 37349396892.

29869394373 is a `hidden beast` number, since 2 + 98 + 6 + 93 + 94 + 373 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3871701729 + 25997692644 = 62223^2 + 161238^2 .

It is not a de Polignac number, because 29869394373 - 2⁸ = 29869394117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 29869394373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29869394323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 141715 + ... + 282527.

It is an arithmetic number, because the mean of its divisors is an integer number (770980119).

Almost surely, 2^29869394373 is an apocalyptic number.

It is an amenable number.

29869394373 is a deficient number, since it is larger than the sum of its proper divisors (25641174195).

29869394373 is a wasteful number, since it uses less digits than its factorization.

29869394373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140883 (or 140873 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 63.

The spelling of 29869394373 in words is "twenty-nine billion, eight hundred sixty-nine million, three hundred ninety-four thousand, three hundred seventy-three".