680150381 has 8 divisors (see below), whose sum is σ = 684024600. Its totient is φ = 676284480.

The previous prime is 680150377. The next prime is 680150453. The reversal of 680150381 is 183051086.

It can be written as a sum of positive squares in 4 ways, for example, as 417548356 + 262602025 = 20434^2 + 16205^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 680150381 - 2² = 680150377 is a prime.

It is a super-2 number, since 2×680150381² = 925209081548890322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680150321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232355 + ... + 235263.

It is an arithmetic number, because the mean of its divisors is an integer number (85503075).

Almost surely, 2^680150381 is an apocalyptic number.

It is an amenable number.

680150381 is a deficient number, since it is larger than the sum of its proper divisors (3874219).

680150381 is a wasteful number, since it uses less digits than its factorization.

680150381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 680150381 is about 26079.6928854617. The cubic root of 680150381 is about 879.4307531481.

The spelling of 680150381 in words is "six hundred eighty million, one hundred fifty thousand, three hundred eighty-one".