71420012389 has 8 divisors (see below), whose sum is σ = 77941116000. Its totient is φ = 64903638000.

The previous prime is 71420012371. The next prime is 71420012401. The reversal of 71420012389 is 98321002417.

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 71420012389 - 2¹¹ = 71420010341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71420015389) 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, 1150687 + ... + 1211164.

It is an arithmetic number, because the mean of its divisors is an integer number (9742639500).

Almost surely, 2^71420012389 is an apocalyptic number.

It is an amenable number.

71420012389 is a deficient number, since it is larger than the sum of its proper divisors (6521103611).

71420012389 is a wasteful number, since it uses less digits than its factorization.

71420012389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364611.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 71420012389 in words is "seventy-one billion, four hundred twenty million, twelve thousand, three hundred eighty-nine".