670976318520919 has 4 divisors (see below), whose sum is σ = 700149201934896. Its totient is φ = 641803435106944.

The previous prime is 670976318520913. The next prime is 670976318520971. The reversal of 670976318520919 is 919025813679076.

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 670976318520919 - 2⁷ = 670976318520791 is a prime.

It is a super-2 number, since 2×670976318520919² (a number of 30 digits) 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 (670976318520913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14586441706954 + ... + 14586441706999.

It is an arithmetic number, because the mean of its divisors is an integer number (175037300483724).

Almost surely, 2^{670976318520919} is an apocalyptic number.

670976318520919 is a deficient number, since it is larger than the sum of its proper divisors (29172883413977).

670976318520919 is a wasteful number, since it uses less digits than its factorization.

670976318520919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29172883413976.

The product of its (nonzero) digits is 308629440, while the sum is 73.

The spelling of 670976318520919 in words is "six hundred seventy trillion, nine hundred seventy-six billion, three hundred eighteen million, five hundred twenty thousand, nine hundred nineteen".