67152775249 has 24 divisors (see below), whose sum is σ = 78765792000. Its totient is φ = 57082021920.

The previous prime is 67152775241. The next prime is 67152775259. The reversal of 67152775249 is 94257725176.

It is not a de Polignac number, because 67152775249 - 2³ = 67152775241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67152775249.

It is not an unprimeable number, because it can be changed into a prime (67152775241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6744727 + ... + 6754675.

It is an arithmetic number, because the mean of its divisors is an integer number (3281908000).

Almost surely, 2^67152775249 is an apocalyptic number.

It is an amenable number.

67152775249 is a deficient number, since it is larger than the sum of its proper divisors (11613016751).

67152775249 is a wasteful number, since it uses less digits than its factorization.

67152775249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11093 (or 11086 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 55.

The spelling of 67152775249 in words is "sixty-seven billion, one hundred fifty-two million, seven hundred seventy-five thousand, two hundred forty-nine".