68972238619 has 8 divisors (see below), whose sum is σ = 73036954368. Its totient is φ = 64908359040.

The previous prime is 68972238571. The next prime is 68972238623. The reversal of 68972238619 is 91683227986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68972238619 - 2¹³ = 68972230427 is a prime.

It is a super-2 number, since 2×68972238619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68972238689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35067 + ... + 373060.

It is an arithmetic number, because the mean of its divisors is an integer number (9129619296).

Almost surely, 2^68972238619 is an apocalyptic number.

68972238619 is a deficient number, since it is larger than the sum of its proper divisors (4064715749).

68972238619 is a wasteful number, since it uses less digits than its factorization.

68972238619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418085.

The product of its digits is 15676416, while the sum is 61.

The spelling of 68972238619 in words is "sixty-eight billion, nine hundred seventy-two million, two hundred thirty-eight thousand, six hundred nineteen".