70446920021 has 8 divisors (see below), whose sum is σ = 72722544384. Its totient is φ = 68171492160.

The previous prime is 70446920017. The next prime is 70446920051. The reversal of 70446920021 is 12002964407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70446920021 - 2² = 70446920017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70446920051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1126061 + ... + 1186973.

It is an arithmetic number, because the mean of its divisors is an integer number (9090318048).

Almost surely, 2^70446920021 is an apocalyptic number.

It is an amenable number.

70446920021 is a deficient number, since it is larger than the sum of its proper divisors (2275624363).

70446920021 is a wasteful number, since it uses less digits than its factorization.

70446920021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98251.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 70446920021 in words is "seventy billion, four hundred forty-six million, nine hundred twenty thousand, twenty-one".