70509821041 has 16 divisors (see below), whose sum is σ = 78057907200. Its totient is φ = 63152686800.

The previous prime is 70509821017. The next prime is 70509821059. The reversal of 70509821041 is 14012890507.

It is a cyclic number.

It is not a de Polignac number, because 70509821041 - 2¹¹ = 70509818993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70509827041) 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 15 ways as a sum of consecutive naturals, for example, 1108540 + ... + 1170418.

It is an arithmetic number, because the mean of its divisors is an integer number (4878619200).

Almost surely, 2^70509821041 is an apocalyptic number.

70509821041 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

70509821041 is a deficient number, since it is larger than the sum of its proper divisors (7548086159).

70509821041 is a wasteful number, since it uses less digits than its factorization.

70509821041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63420.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 70509821041 in words is "seventy billion, five hundred nine million, eight hundred twenty-one thousand, forty-one".