29975494841 has 4 divisors (see below), whose sum is σ = 30386118132. Its totient is φ = 29564871552.

The previous prime is 29975494823. The next prime is 29975494847. The reversal of 29975494841 is 14849457992.

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 23256250000 + 6719244841 = 152500^2 + 81971^2 .

It is a cyclic number.

It is not a de Polignac number, because 29975494841 - 2¹⁴ = 29975478457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29975494847) 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, 205311536 + ... + 205311681.

It is an arithmetic number, because the mean of its divisors is an integer number (7596529533).

Almost surely, 2^29975494841 is an apocalyptic number.

It is an amenable number.

29975494841 is a deficient number, since it is larger than the sum of its proper divisors (410623291).

29975494841 is an equidigital number, since it uses as much as digits as its factorization.

29975494841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410623290.

The product of its digits is 26127360, while the sum is 62.

The spelling of 29975494841 in words is "twenty-nine billion, nine hundred seventy-five million, four hundred ninety-four thousand, eight hundred forty-one".