70945593121 has 12 divisors (see below), whose sum is σ = 76837838700. Its totient is φ = 65475371520.

The previous prime is 70945593107. The next prime is 70945593139. The reversal of 70945593121 is 12139554907.

It can be written as a sum of positive squares in 6 ways, for example, as 13141412496 + 57804180625 = 114636^2 + 240425^2 .

It is not a de Polignac number, because 70945593121 - 2¹³ = 70945584929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70945593101) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 882361 + ... + 959401.

It is an arithmetic number, because the mean of its divisors is an integer number (6403153225).

Almost surely, 2^70945593121 is an apocalyptic number.

It is an amenable number.

70945593121 is a deficient number, since it is larger than the sum of its proper divisors (5892245579).

70945593121 is a wasteful number, since it uses less digits than its factorization.

70945593121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82516 (or 82503 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 70945593121 in words is "seventy billion, nine hundred forty-five million, five hundred ninety-three thousand, one hundred twenty-one".