70142428789 has 8 divisors (see below), whose sum is σ = 73226835000. Its totient is φ = 67102402752.

The previous prime is 70142428771. The next prime is 70142428799. The reversal of 70142428789 is 98782424107.

It can be written as a sum of positive squares in 4 ways, for example, as 22607528164 + 47534900625 = 150358^2 + 218025^2 .

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 70142428789 - 2⁷ = 70142428661 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 (70142428799) 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, 11091814 + ... + 11098135.

It is an arithmetic number, because the mean of its divisors is an integer number (9153354375).

Almost surely, 2^70142428789 is an apocalyptic number.

It is an amenable number.

70142428789 is a deficient number, since it is larger than the sum of its proper divisors (3084406211).

70142428789 is a wasteful number, since it uses less digits than its factorization.

70142428789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22190087.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 70142428789 in words is "seventy billion, one hundred forty-two million, four hundred twenty-eight thousand, seven hundred eighty-nine".