670934639236 has 27 divisors (see below), whose sum is σ = 1206835701519. Its totient is φ = 326371147488.

The previous prime is 670934639231. The next prime is 670934639251. The reversal of 670934639236 is 632936439076.

The square root of 670934639236 is 819106.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 265364100 + 670669275136 = 16290^2 + 818944^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670934639231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60608310 + ... + 60619378.

Almost surely, 2^670934639236 is an apocalyptic number.

670934639236 is the 819106-th square number.

It is an amenable number.

670934639236 is a deficient number, since it is larger than the sum of its proper divisors (535901062283).

670934639236 is an frugal number, since it uses more digits than its factorization.

670934639236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22216 (or 11108 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 58.

The spelling of 670934639236 in words is "six hundred seventy billion, nine hundred thirty-four million, six hundred thirty-nine thousand, two hundred thirty-six".