685683014379 has 16 divisors (see below), whose sum is σ = 1040720465664. Its totient is φ = 397497399200.

The previous prime is 685683014377. The next prime is 685683014383. The reversal of 685683014379 is 973410386586.

It is not a de Polignac number, because 685683014379 - 2¹ = 685683014377 is a prime.

It is a super-2 number, since 2×685683014379² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (685683014377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451700832 + ... + 451702349.

It is an arithmetic number, because the mean of its divisors is an integer number (65045029104).

Almost surely, 2^685683014379 is an apocalyptic number.

685683014379 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

685683014379 is a deficient number, since it is larger than the sum of its proper divisors (355037451285).

685683014379 is a wasteful number, since it uses less digits than its factorization.

685683014379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903403218.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 685683014379 in words is "six hundred eighty-five billion, six hundred eighty-three million, fourteen thousand, three hundred seventy-nine".