29990956801 has 4 divisors (see below), whose sum is σ = 32297953492. Its totient is φ = 27683960112.

The previous prime is 29990956753. The next prime is 29990956811. The reversal of 29990956801 is 10865909992.

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 17272530625 + 12718426176 = 131425^2 + 112776^2 .

It is a cyclic number.

It is not a de Polignac number, because 29990956801 - 2²⁹ = 29454085889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29990956811) 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, 1153498326 + ... + 1153498351.

It is an arithmetic number, because the mean of its divisors is an integer number (8074488373).

Almost surely, 2^29990956801 is an apocalyptic number.

It is an amenable number.

29990956801 is a deficient number, since it is larger than the sum of its proper divisors (2306996691).

29990956801 is a wasteful number, since it uses less digits than its factorization.

29990956801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306996690.

The product of its (nonzero) digits is 3149280, while the sum is 58.

The spelling of 29990956801 in words is "twenty-nine billion, nine hundred ninety million, nine hundred fifty-six thousand, eight hundred one".