75286429709 has 4 divisors (see below), whose sum is σ = 75301005504. Its totient is φ = 75271853916.

The previous prime is 75286429651. The next prime is 75286429741. The reversal of 75286429709 is 90792468257.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90792468257 = 3793 ⋅23936849.

It is a cyclic number.

It is not a de Polignac number, because 75286429709 - 2¹⁶ = 75286364173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75286429409) 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, 7280147 + ... + 7290480.

It is an arithmetic number, because the mean of its divisors is an integer number (18825251376).

Almost surely, 2^75286429709 is an apocalyptic number.

It is an amenable number.

75286429709 is a deficient number, since it is larger than the sum of its proper divisors (14575795).

75286429709 is a wasteful number, since it uses less digits than its factorization.

75286429709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575794.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 75286429709 in words is "seventy-five billion, two hundred eighty-six million, four hundred twenty-nine thousand, seven hundred nine".