70151421644 has 12 divisors (see below), whose sum is σ = 125759256168. Its totient is φ = 34220205600.

The previous prime is 70151421629. The next prime is 70151421661. The reversal of 70151421644 is 44612415107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213876122 + ... + 213876449.

It is an arithmetic number, because the mean of its divisors is an integer number (10479938014).

Almost surely, 2^70151421644 is an apocalyptic number.

It is an amenable number.

70151421644 is a deficient number, since it is larger than the sum of its proper divisors (55607834524).

70151421644 is a wasteful number, since it uses less digits than its factorization.

70151421644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427752616 (or 427752614 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 70151421644 in words is "seventy billion, one hundred fifty-one million, four hundred twenty-one thousand, six hundred forty-four".