682001400361 has 4 divisors (see below), whose sum is σ = 722119129812. Its totient is φ = 641883670912.

The previous prime is 682001400349. The next prime is 682001400383. The reversal of 682001400361 is 163004100286.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 542902238761 + 139099161600 = 736819^2 + 372960^2 .

It is a cyclic number.

It is not a de Polignac number, because 682001400361 - 2²³ = 681993011753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682001400061) 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, 20058864700 + ... + 20058864733.

It is an arithmetic number, because the mean of its divisors is an integer number (180529782453).

Almost surely, 2^682001400361 is an apocalyptic number.

It is an amenable number.

682001400361 is a deficient number, since it is larger than the sum of its proper divisors (40117729451).

682001400361 is a wasteful number, since it uses less digits than its factorization.

682001400361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40117729450.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 682001400361 in words is "six hundred eighty-two billion, one million, four hundred thousand, three hundred sixty-one".