70444573249 has 4 divisors (see below), whose sum is σ = 70951368880. Its totient is φ = 69937777620.

The previous prime is 70444573237. The next prime is 70444573271. The reversal of 70444573249 is 94237544407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70444573249 - 2⁵ = 70444573217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70444573289) 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, 253397607 + ... + 253397884.

It is an arithmetic number, because the mean of its divisors is an integer number (17737842220).

Almost surely, 2^70444573249 is an apocalyptic number.

It is an amenable number.

70444573249 is a deficient number, since it is larger than the sum of its proper divisors (506795631).

70444573249 is a wasteful number, since it uses less digits than its factorization.

70444573249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506795630.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 70444573249 in words is "seventy billion, four hundred forty-four million, five hundred seventy-three thousand, two hundred forty-nine".