68070093549 has 4 divisors (see below), whose sum is σ = 90760124736. Its totient is φ = 45380062364.

The previous prime is 68070093493. The next prime is 68070093563. The reversal of 68070093549 is 94539007086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68070093549 - 2¹⁹ = 68069569261 is a prime.

It is a super-2 number, since 2×68070093549² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68070093149) 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, 11345015589 + ... + 11345015594.

It is an arithmetic number, because the mean of its divisors is an integer number (22690031184).

Almost surely, 2^68070093549 is an apocalyptic number.

It is an amenable number.

68070093549 is a deficient number, since it is larger than the sum of its proper divisors (22690031187).

68070093549 is a wasteful number, since it uses less digits than its factorization.

68070093549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22690031186.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 68070093549 in words is "sixty-eight billion, seventy million, ninety-three thousand, five hundred forty-nine".