70985439395 has 16 divisors (see below), whose sum is σ = 91952962752. Its totient is φ = 52295483520.

The previous prime is 70985439379. The next prime is 70985439401. The reversal of 70985439395 is 59393458907.

It is a happy number.

It is not a de Polignac number, because 70985439395 - 2⁴ = 70985439379 is a prime.

It is a super-2 number, since 2×70985439395² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1269647 + ... + 1324376.

It is an arithmetic number, because the mean of its divisors is an integer number (5747060172).

Almost surely, 2^70985439395 is an apocalyptic number.

70985439395 is a deficient number, since it is larger than the sum of its proper divisors (20967523357).

70985439395 is a wasteful number, since it uses less digits than its factorization.

70985439395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594462.

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 70985439395 in words is "seventy billion, nine hundred eighty-five million, four hundred thirty-nine thousand, three hundred ninety-five".