690536406118 has 8 divisors (see below), whose sum is σ = 1115481886848. Its totient is φ = 318709110504.

The previous prime is 690536406103. The next prime is 690536406137. The reversal of 690536406118 is 811604635096.

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

It is a congruent number.

It is an unprimeable number.

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, 13279546246 + ... + 13279546297.

It is an arithmetic number, because the mean of its divisors is an integer number (139435235856).

Almost surely, 2^690536406118 is an apocalyptic number.

690536406118 is a deficient number, since it is larger than the sum of its proper divisors (424945480730).

690536406118 is a wasteful number, since it uses less digits than its factorization.

690536406118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26559092558.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 690536406118 in words is "six hundred ninety billion, five hundred thirty-six million, four hundred six thousand, one hundred eighteen".