29672012972401 has 4 divisors (see below), whose sum is σ = 29825753972452. Its totient is φ = 29518271972352.

The previous prime is 29672012972383. The next prime is 29672012972423. The reversal of 29672012972401 is 10427921027692.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4481049688801 + 25190963283600 = 2116849^2 + 5019060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29672012972401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29672012972101) 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 3 ways as a sum of consecutive naturals, for example, 76870499736 + ... + 76870500121.

It is an arithmetic number, because the mean of its divisors is an integer number (7456438493113).

Almost surely, 2^{29672012972401} is an apocalyptic number.

It is an amenable number.

29672012972401 is a deficient number, since it is larger than the sum of its proper divisors (153741000051).

29672012972401 is a wasteful number, since it uses less digits than its factorization.

29672012972401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153741000050.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 29672012972401 in words is "twenty-nine trillion, six hundred seventy-two billion, twelve million, nine hundred seventy-two thousand, four hundred one".