18252210969 has 24 divisors (see below), whose sum is σ = 27257098752. Its totient is φ = 11757303360.

The previous prime is 18252210943. The next prime is 18252210979. The reversal of 18252210969 is 96901225281.

It is a happy number.

18252210969 is a `hidden beast` number, since 18 + 2 + 522 + 109 + 6 + 9 = 666.

It is not a de Polignac number, because 18252210969 - 2¹⁵ = 18252178201 is a prime.

It is a super-2 number, since 2×18252210969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18252210979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129957 + ... + 231069.

It is an arithmetic number, because the mean of its divisors is an integer number (1135712448).

Almost surely, 2^18252210969 is an apocalyptic number.

It is an amenable number.

18252210969 is a deficient number, since it is larger than the sum of its proper divisors (9004887783).

18252210969 is a wasteful number, since it uses less digits than its factorization.

18252210969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101797 (or 101794 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 18252210969 in words is "eighteen billion, two hundred fifty-two million, two hundred ten thousand, nine hundred sixty-nine".