29690854973 has 8 divisors (see below), whose sum is σ = 31976813400. Its totient is φ = 27405188928.

The previous prime is 29690854937. The next prime is 29690854981. The reversal of 29690854973 is 37945809692.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17224462564 + 12466392409 = 131242^2 + 111653^2 .

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

It is not a de Polignac number, because 29690854973 - 2¹² = 29690850877 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 (29690851973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167063 + ... + 295451.

It is an arithmetic number, because the mean of its divisors is an integer number (3997101675).

Almost surely, 2^29690854973 is an apocalyptic number.

It is an amenable number.

29690854973 is a deficient number, since it is larger than the sum of its proper divisors (2285958427).

29690854973 is a wasteful number, since it uses less digits than its factorization.

29690854973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146191.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 29690854973 in words is "twenty-nine billion, six hundred ninety million, eight hundred fifty-four thousand, nine hundred seventy-three".