70603946909 has 4 divisors (see below), whose sum is σ = 70604547804. Its totient is φ = 70603346016.

The previous prime is 70603946869. The next prime is 70603947013. The reversal of 70603946909 is 90964930607.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 25083590884 + 45520356025 = 158378^2 + 213355^2 .

It is a cyclic number.

It is not a de Polignac number, because 70603946909 - 2¹⁶ = 70603881373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70603943909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60122 + ... + 380555.

It is an arithmetic number, because the mean of its divisors is an integer number (17651136951).

Almost surely, 2^70603946909 is an apocalyptic number.

It is an amenable number.

70603946909 is a deficient number, since it is larger than the sum of its proper divisors (600895).

70603946909 is a wasteful number, since it uses less digits than its factorization.

70603946909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600894.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 70603946909 in words is "seventy billion, six hundred three million, nine hundred forty-six thousand, nine hundred nine".