70499435617 has 16 divisors (see below), whose sum is σ = 76658274000. Its totient is φ = 64446326784.

The previous prime is 70499435599. The next prime is 70499435621. The reversal of 70499435617 is 71653499407.

It can be written as a sum of positive squares in 8 ways, for example, as 13003068961 + 57496366656 = 114031^2 + 239784^2 .

It is a cyclic number.

It is not a de Polignac number, because 70499435617 - 2¹¹ = 70499433569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70499435687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3005109 + ... + 3028477.

It is an arithmetic number, because the mean of its divisors is an integer number (4791142125).

Almost surely, 2^70499435617 is an apocalyptic number.

It is an amenable number.

70499435617 is a deficient number, since it is larger than the sum of its proper divisors (6158838383).

70499435617 is a wasteful number, since it uses less digits than its factorization.

70499435617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25620.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 70499435617 in words is "seventy billion, four hundred ninety-nine million, four hundred thirty-five thousand, six hundred seventeen".