670267572005 has 4 divisors (see below), whose sum is σ = 804321086412. Its totient is φ = 536214057600.

The previous prime is 670267571899. The next prime is 670267572019. The reversal of 670267572005 is 500275762076.

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

It can be written as a sum of positive squares in 2 ways, for example, as 517641397729 + 152626174276 = 719473^2 + 390674^2 .

It is a de Polignac number, because none of the positive numbers 2^k-670267572005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67026757196 + ... + 67026757205.

It is an arithmetic number, because the mean of its divisors is an integer number (201080271603).

Almost surely, 2^670267572005 is an apocalyptic number.

It is an amenable number.

670267572005 is a deficient number, since it is larger than the sum of its proper divisors (134053514407).

670267572005 is a wasteful number, since it uses less digits than its factorization.

670267572005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134053514406.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 670267572005 in words is "six hundred seventy billion, two hundred sixty-seven million, five hundred seventy-two thousand, five".