75916870427449 has 8 divisors (see below), whose sum is σ = 76518320721920. Its totient is φ = 75315477627936.

The previous prime is 75916870427443. The next prime is 75916870427467. The reversal of 75916870427449 is 94472407861957.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75916870427449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75916870427443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11720529 + ... + 17006014.

It is an arithmetic number, because the mean of its divisors is an integer number (9564790090240).

Almost surely, 2^{75916870427449} is an apocalyptic number.

It is an amenable number.

75916870427449 is a deficient number, since it is larger than the sum of its proper divisors (601450294471).

75916870427449 is a wasteful number, since it uses less digits than its factorization.

75916870427449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28747479.

The product of its (nonzero) digits is 853493760, while the sum is 73.

The spelling of 75916870427449 in words is "seventy-five trillion, nine hundred sixteen billion, eight hundred seventy million, four hundred twenty-seven thousand, four hundred forty-nine".