70135017998 has 16 divisors (see below), whose sum is σ = 111399624000. Its totient is φ = 33002132736.

The previous prime is 70135017991. The next prime is 70135018103. The reversal of 70135017998 is 89971053107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70135017991) 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 7 ways as a sum of consecutive naturals, for example, 402290 + ... + 549642.

It is an arithmetic number, because the mean of its divisors is an integer number (6962476500).

Almost surely, 2^70135017998 is an apocalyptic number.

70135017998 is a deficient number, since it is larger than the sum of its proper divisors (41264606002).

70135017998 is a wasteful number, since it uses less digits than its factorization.

70135017998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161371.

The product of its (nonzero) digits is 476280, while the sum is 50.

The spelling of 70135017998 in words is "seventy billion, one hundred thirty-five million, seventeen thousand, nine hundred ninety-eight".