18946700769 has 8 divisors (see below), whose sum is σ = 25301315520. Its totient is φ = 12611609936.

The previous prime is 18946700699. The next prime is 18946700789. The reversal of 18946700769 is 96700764981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18946700769 - 2¹¹ = 18946698721 is a prime.

It is a super-2 number, since 2×18946700769² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18946700789) 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 7 ways as a sum of consecutive naturals, for example, 4878714 + ... + 4882595.

It is an arithmetic number, because the mean of its divisors is an integer number (3162664440).

Almost surely, 2^18946700769 is an apocalyptic number.

It is an amenable number.

18946700769 is a deficient number, since it is larger than the sum of its proper divisors (6354614751).

18946700769 is an equidigital number, since it uses as much as digits as its factorization.

18946700769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9761959.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 18946700769 in words is "eighteen billion, nine hundred forty-six million, seven hundred thousand, seven hundred sixty-nine".