29212187413 has 4 divisors (see below), whose sum is σ = 29212552908. Its totient is φ = 29211821920.

The previous prime is 29212187383. The next prime is 29212187491. The reversal of 29212187413 is 31478121292.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9498061764 + 19714125649 = 97458^2 + 140407^2 .

It is a cyclic number.

It is not a de Polignac number, because 29212187413 - 2⁹ = 29212186901 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29212188413) 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 3 ways as a sum of consecutive naturals, for example, 5656 + ... + 241777.

It is an arithmetic number, because the mean of its divisors is an integer number (7303138227).

Almost surely, 2^29212187413 is an apocalyptic number.

It is an amenable number.

29212187413 is a deficient number, since it is larger than the sum of its proper divisors (365495).

29212187413 is a wasteful number, since it uses less digits than its factorization.

29212187413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365494.

The product of its digits is 48384, while the sum is 40.

The spelling of 29212187413 in words is "twenty-nine billion, two hundred twelve million, one hundred eighty-seven thousand, four hundred thirteen".