29042366643 has 12 divisors (see below), whose sum is σ = 43027040280. Its totient is φ = 19360987416.

The previous prime is 29042366641. The next prime is 29042366669. The reversal of 29042366643 is 34666324092.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 29042366643 - 2¹ = 29042366641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29042366641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869121 + ... + 901917.

It is an arithmetic number, because the mean of its divisors is an integer number (3585586690).

Almost surely, 2^29042366643 is an apocalyptic number.

29042366643 is a deficient number, since it is larger than the sum of its proper divisors (13984673637).

29042366643 is an frugal number, since it uses more digits than its factorization.

29042366643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65603 (or 32800 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The spelling of 29042366643 in words is "twenty-nine billion, forty-two million, three hundred sixty-six thousand, six hundred forty-three".