670772873653 has 4 divisors (see below), whose sum is σ = 675598577920. Its totient is φ = 665947169388.

The previous prime is 670772873599. The next prime is 670772873677. The reversal of 670772873653 is 356378277076.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670772873653 - 2¹⁷ = 670772742581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670772873591 and 670772873600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670772873153) 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, 2412851925 + ... + 2412852202.

It is an arithmetic number, because the mean of its divisors is an integer number (168899644480).

Almost surely, 2^670772873653 is an apocalyptic number.

It is an amenable number.

670772873653 is a deficient number, since it is larger than the sum of its proper divisors (4825704267).

670772873653 is a wasteful number, since it uses less digits than its factorization.

670772873653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825704266.

The product of its (nonzero) digits is 62233920, while the sum is 61.

The spelling of 670772873653 in words is "six hundred seventy billion, seven hundred seventy-two million, eight hundred seventy-three thousand, six hundred fifty-three".