70500253447 has 6 divisors (see below), whose sum is σ = 76340511312. Its totient is φ = 65077156872.

The previous prime is 70500253429. The next prime is 70500253451. The reversal of 70500253447 is 74435200507.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-70500253447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70500253477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208580463 + ... + 208580800.

It is an arithmetic number, because the mean of its divisors is an integer number (12723418552).

Almost surely, 2^70500253447 is an apocalyptic number.

70500253447 is a deficient number, since it is larger than the sum of its proper divisors (5840257865).

70500253447 is a wasteful number, since it uses less digits than its factorization.

70500253447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417161289 (or 417161276 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 37.

The spelling of 70500253447 in words is "seventy billion, five hundred million, two hundred fifty-three thousand, four hundred forty-seven".