29331484643 has 4 divisors (see below), whose sum is σ = 30606766608. Its totient is φ = 28056202680.

The previous prime is 29331484621. The next prime is 29331484657. The reversal of 29331484643 is 34648413392.

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

It is a cyclic number.

It is not a de Polignac number, because 29331484643 - 2⁶ = 29331484579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29331481643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637640948 + ... + 637640993.

It is an arithmetic number, because the mean of its divisors is an integer number (7651691652).

Almost surely, 2^29331484643 is an apocalyptic number.

29331484643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

29331484643 is a deficient number, since it is larger than the sum of its proper divisors (1275281965).

29331484643 is a wasteful number, since it uses less digits than its factorization.

29331484643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275281964.

The product of its digits is 1492992, while the sum is 47.

The spelling of 29331484643 in words is "twenty-nine billion, three hundred thirty-one million, four hundred eighty-four thousand, six hundred forty-three".