670680051643 has 4 divisors (see below), whose sum is σ = 766491487600. Its totient is φ = 574868615688.

The previous prime is 670680051637. The next prime is 670680051757. The reversal of 670680051643 is 346150086076.

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 670680051643 - 2⁹ = 670680051131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670680051593 and 670680051602.

It is not an unprimeable number, because it can be changed into a prime (670680051143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47905717968 + ... + 47905717981.

It is an arithmetic number, because the mean of its divisors is an integer number (191622871900).

Almost surely, 2^670680051643 is an apocalyptic number.

670680051643 is a deficient number, since it is larger than the sum of its proper divisors (95811435957).

670680051643 is an equidigital number, since it uses as much as digits as its factorization.

670680051643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95811435956.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 670680051643 in words is "six hundred seventy billion, six hundred eighty million, fifty-one thousand, six hundred forty-three".