8620402969 has 4 divisors (see below), whose sum is σ = 8638862544. Its totient is φ = 8601943396.

The previous prime is 8620402957. The next prime is 8620402981. The reversal of 8620402969 is 9692040268.

8620402969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8620402957) and next prime (8620402981).

It is a cyclic number.

It is not a de Polignac number, because 8620402969 - 2⁵ = 8620402937 is a prime.

It is a super-2 number, since 2×8620402969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8620402909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9229087 + ... + 9230020.

It is an arithmetic number, because the mean of its divisors is an integer number (2159715636).

Almost surely, 2^8620402969 is an apocalyptic number.

It is an amenable number.

8620402969 is a deficient number, since it is larger than the sum of its proper divisors (18459575).

8620402969 is a wasteful number, since it uses less digits than its factorization.

8620402969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18459574.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 8620402969 is about 92846.1252234039. The cubic root of 8620402969 is about 2050.4185517775.

The spelling of 8620402969 in words is "eight billion, six hundred twenty million, four hundred two thousand, nine hundred sixty-nine".