70442330639 has 8 divisors (see below), whose sum is σ = 70825850400. Its totient is φ = 70059106656.

The previous prime is 70442330603. The next prime is 70442330683. The reversal of 70442330639 is 93603324407.

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 70442330639 - 2¹² = 70442326543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70442330596 and 70442330605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70442330039) 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, 412337 + ... + 557589.

It is an arithmetic number, because the mean of its divisors is an integer number (8853231300).

Almost surely, 2^70442330639 is an apocalyptic number.

70442330639 is a deficient number, since it is larger than the sum of its proper divisors (383519761).

70442330639 is a wasteful number, since it uses less digits than its factorization.

70442330639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147889.

The product of its (nonzero) digits is 326592, while the sum is 41.

The spelling of 70442330639 in words is "seventy billion, four hundred forty-two million, three hundred thirty thousand, six hundred thirty-nine".