690039011918 has 8 divisors (see below), whose sum is σ = 1035112297512. Its totient is φ = 345001579416.

The previous prime is 690039011917. The next prime is 690039011929. The reversal of 690039011918 is 819110930096.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690039011917) 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 3 ways as a sum of consecutive naturals, for example, 8915105 + ... + 8992172.

It is an arithmetic number, because the mean of its divisors is an integer number (129389037189).

Almost surely, 2^690039011918 is an apocalyptic number.

690039011918 is a deficient number, since it is larger than the sum of its proper divisors (345073285594).

690039011918 is a wasteful number, since it uses less digits than its factorization.

690039011918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17926546.

The product of its (nonzero) digits is 104976, while the sum is 47.

The spelling of 690039011918 in words is "six hundred ninety billion, thirty-nine million, eleven thousand, nine hundred eighteen".