70509442421 has 8 divisors (see below), whose sum is σ = 77111215488. Its totient is φ = 63939640000.

The previous prime is 70509442417. The next prime is 70509442477. The reversal of 70509442421 is 12424490507.

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 70509442421 - 2² = 70509442417 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 (70509402421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7988045 + ... + 7996866.

It is an arithmetic number, because the mean of its divisors is an integer number (9638901936).

Almost surely, 2^70509442421 is an apocalyptic number.

It is an amenable number.

70509442421 is a deficient number, since it is larger than the sum of its proper divisors (6601773067).

70509442421 is a wasteful number, since it uses less digits than its factorization.

70509442421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15985323.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 70509442421 in words is "seventy billion, five hundred nine million, four hundred forty-two thousand, four hundred twenty-one".