70078140449 has 4 divisors (see below), whose sum is σ = 70089268500. Its totient is φ = 70067012400.

The previous prime is 70078140437. The next prime is 70078140463. The reversal of 70078140449 is 94404187007.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56486078224 + 13592062225 = 237668^2 + 116585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70078140449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70078140409) 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, 5554574 + ... + 5567175.

It is an arithmetic number, because the mean of its divisors is an integer number (17522317125).

Almost surely, 2^70078140449 is an apocalyptic number.

It is an amenable number.

70078140449 is a deficient number, since it is larger than the sum of its proper divisors (11128051).

70078140449 is a wasteful number, since it uses less digits than its factorization.

70078140449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11128050.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 70078140449 in words is "seventy billion, seventy-eight million, one hundred forty thousand, four hundred forty-nine".