70868938939 has 4 divisors (see below), whose sum is σ = 70871365240. Its totient is φ = 70866512640.

The previous prime is 70868938927. The next prime is 70868938967. The reversal of 70868938939 is 93983986807.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70868938939 - 2¹³ = 70868930747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70868938339) 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, 1168797 + ... + 1227934.

It is an arithmetic number, because the mean of its divisors is an integer number (17717841310).

Almost surely, 2^70868938939 is an apocalyptic number.

70868938939 is a deficient number, since it is larger than the sum of its proper divisors (2426301).

70868938939 is a wasteful number, since it uses less digits than its factorization.

70868938939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426300.

The product of its (nonzero) digits is 141087744, while the sum is 70.

The spelling of 70868938939 in words is "seventy billion, eight hundred sixty-eight million, nine hundred thirty-eight thousand, nine hundred thirty-nine".