70215425909 has 8 divisors (see below), whose sum is σ = 73009498368. Its totient is φ = 67454419680.

The previous prime is 70215425893. The next prime is 70215425923. The reversal of 70215425909 is 90952451207.

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 70215425909 - 2⁴ = 70215425893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70215425909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70215425999) 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, 8262227 + ... + 8270720.

It is an arithmetic number, because the mean of its divisors is an integer number (9126187296).

Almost surely, 2^70215425909 is an apocalyptic number.

It is an amenable number.

70215425909 is a deficient number, since it is larger than the sum of its proper divisors (2794072459).

70215425909 is a wasteful number, since it uses less digits than its factorization.

70215425909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16533115.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 70215425909 in words is "seventy billion, two hundred fifteen million, four hundred twenty-five thousand, nine hundred nine".