670640142241351 has 4 divisors (see below), whose sum is σ = 671723567350600. Its totient is φ = 669556717132104.

The previous prime is 670640142241343. The next prime is 670640142241373. The reversal of 670640142241351 is 153142241046076.

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 670640142241351 - 2³ = 670640142241343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670640142241301) 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, 541712553696 + ... + 541712554933.

It is an arithmetic number, because the mean of its divisors is an integer number (167930891837650).

Almost surely, 2^{670640142241351} is an apocalyptic number.

670640142241351 is a deficient number, since it is larger than the sum of its proper divisors (1083425109249).

670640142241351 is a wasteful number, since it uses less digits than its factorization.

670640142241351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083425109248.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 670640142241351 in words is "six hundred seventy trillion, six hundred forty billion, one hundred forty-two million, two hundred forty-one thousand, three hundred fifty-one".