67834848512 has 18 divisors (see below), whose sum is σ = 135404717658. Its totient is φ = 33917424128.

The previous prime is 67834848491. The next prime is 67834848563. The reversal of 67834848512 is 21584843876.

It can be written as a sum of positive squares in only one way, i.e., 57247261696 + 10587586816 = 239264^2 + 102896^2 .

It is a super-2 number, since 2×67834848512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132489683 + ... + 132490194.

Almost surely, 2^67834848512 is an apocalyptic number.

It is an amenable number.

67834848512 is a deficient number, since it is larger than the sum of its proper divisors (67569869146).

67834848512 is an equidigital number, since it uses as much as digits as its factorization.

67834848512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264979893 (or 264979879 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 56.

The spelling of 67834848512 in words is "sixty-seven billion, eight hundred thirty-four million, eight hundred forty-eight thousand, five hundred twelve".