67377007213 has 4 divisors (see below), whose sum is σ = 67973264028. Its totient is φ = 66780750400.

The previous prime is 67377007189. The next prime is 67377007219. The reversal of 67377007213 is 31270077376.

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 25831561284 + 41545445929 = 160722^2 + 203827^2 .

It is a cyclic number.

It is not a de Polignac number, because 67377007213 - 2²¹ = 67374910061 is a prime.

It is a super-2 number, since 2×67377007213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67377007213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67377007219) 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, 298128238 + ... + 298128463.

It is an arithmetic number, because the mean of its divisors is an integer number (16993316007).

Almost surely, 2^67377007213 is an apocalyptic number.

It is an amenable number.

67377007213 is a deficient number, since it is larger than the sum of its proper divisors (596256815).

67377007213 is a wasteful number, since it uses less digits than its factorization.

67377007213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596256814.

The product of its (nonzero) digits is 259308, while the sum is 43.

The spelling of 67377007213 in words is "sixty-seven billion, three hundred seventy-seven million, seven thousand, two hundred thirteen".