70685448043 has 4 divisors (see below), whose sum is σ = 80783369200. Its totient is φ = 60587526888.

The previous prime is 70685447999. The next prime is 70685448083. The reversal of 70685448043 is 34084458607.

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

It is not a de Polignac number, because 70685448043 - 2¹⁷ = 70685316971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70685448083) 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, 5048960568 + ... + 5048960581.

It is an arithmetic number, because the mean of its divisors is an integer number (20195842300).

Almost surely, 2^70685448043 is an apocalyptic number.

70685448043 is a deficient number, since it is larger than the sum of its proper divisors (10097921157).

70685448043 is a wasteful number, since it uses less digits than its factorization.

70685448043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10097921156.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 70685448043 in words is "seventy billion, six hundred eighty-five million, four hundred forty-eight thousand, forty-three".