693819379135 has 8 divisors (see below), whose sum is σ = 881558740656. Its totient is φ = 522405179520.

The previous prime is 693819379117. The next prime is 693819379139. The reversal of 693819379135 is 531973918396.

It is a happy number.

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

It is not a de Polignac number, because 693819379135 - 2¹⁷ = 693819248063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693819379139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4081290381 + ... + 4081290550.

It is an arithmetic number, because the mean of its divisors is an integer number (110194842582).

Almost surely, 2^693819379135 is an apocalyptic number.

693819379135 is a deficient number, since it is larger than the sum of its proper divisors (187739361521).

693819379135 is a wasteful number, since it uses less digits than its factorization.

693819379135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8162580953.

The product of its digits is 33067440, while the sum is 64.

The spelling of 693819379135 in words is "six hundred ninety-three billion, eight hundred nineteen million, three hundred seventy-nine thousand, one hundred thirty-five".