670199351 has 4 divisors (see below), whose sum is σ = 671014512. Its totient is φ = 669384192.

The previous prime is 670199339. The next prime is 670199359. The reversal of 670199351 is 153991076.

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

It is a cyclic number.

It is not a de Polignac number, because 670199351 - 2¹⁴ = 670182967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670199299 and 670199308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670199359) 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, 406346 + ... + 407991.

It is an arithmetic number, because the mean of its divisors is an integer number (167753628).

Almost surely, 2^670199351 is an apocalyptic number.

670199351 is a deficient number, since it is larger than the sum of its proper divisors (815161).

670199351 is an equidigital number, since it uses as much as digits as its factorization.

670199351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815160.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 670199351 is about 25888.2087252092. The cubic root of 670199351 is about 875.1207892025.

The spelling of 670199351 in words is "six hundred seventy million, one hundred ninety-nine thousand, three hundred fifty-one".