67911592240801 has 3 divisors (see below), whose sum is σ = 67911600481651. Its totient is φ = 67911583999952.

The previous prime is 67911592240781. The next prime is 67911592240819. The reversal of 67911592240801 is 10804229511976.

The square root of 67911592240801 is 8240849.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 65351848234401 + 2559744006400 = 8084049^2 + 1599920^2 .

It is not a de Polignac number, because 67911592240801 - 2¹⁷ = 67911592109729 is a prime.

It is a super-2 number, since 2×67911592240801² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67911592040801) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4120425 + ... + 12361273.

Almost surely, 2^{67911592240801} is an apocalyptic number.

67911592240801 is the 8240849-th square number.

67911592240801 is the 4120425-th centered octagonal number.

It is an amenable number.

67911592240801 is a deficient number, since it is larger than the sum of its proper divisors (8240850).

67911592240801 is an frugal number, since it uses more digits than its factorization.

67911592240801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16481698 (or 8240849 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 67911592240801 in words is "sixty-seven trillion, nine hundred eleven billion, five hundred ninety-two million, two hundred forty thousand, eight hundred one".