8369129801 has 4 divisors (see below), whose sum is σ = 8861431572. Its totient is φ = 7876828032.

The previous prime is 8369129773. The next prime is 8369129837. The reversal of 8369129801 is 1089219638.

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 5083547401 + 3285582400 = 71299^2 + 57320^2 .

It is a cyclic number.

It is not a de Polignac number, because 8369129801 - 2¹⁰ = 8369128777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8369129891) 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, 246150860 + ... + 246150893.

It is an arithmetic number, because the mean of its divisors is an integer number (2215357893).

Almost surely, 2^8369129801 is an apocalyptic number.

It is an amenable number.

8369129801 is a deficient number, since it is larger than the sum of its proper divisors (492301771).

8369129801 is a wasteful number, since it uses less digits than its factorization.

8369129801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492301770.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 8369129801 is about 91482.9481433562. The cubic root of 8369129801 is about 2030.2994697606.

The spelling of 8369129801 in words is "eight billion, three hundred sixty-nine million, one hundred twenty-nine thousand, eight hundred one".