67238797361 has 4 divisors (see below), whose sum is σ = 67251760500. Its totient is φ = 67225834224.

The previous prime is 67238797357. The next prime is 67238797363. The reversal of 67238797361 is 16379783276.

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 52771278400 + 14467518961 = 229720^2 + 120281^2 .

It is a cyclic number.

It is not a de Polignac number, because 67238797361 - 2² = 67238797357 is a prime.

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 67238797361.

It is not an unprimeable number, because it can be changed into a prime (67238797363) 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, 6473786 + ... + 6484163.

It is an arithmetic number, because the mean of its divisors is an integer number (16812940125).

Almost surely, 2^67238797361 is an apocalyptic number.

It is an amenable number.

67238797361 is a deficient number, since it is larger than the sum of its proper divisors (12963139).

67238797361 is a wasteful number, since it uses less digits than its factorization.

67238797361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12963138.

The product of its digits is 16003008, while the sum is 59.

The spelling of 67238797361 in words is "sixty-seven billion, two hundred thirty-eight million, seven hundred ninety-seven thousand, three hundred sixty-one".