70443629038 has 4 divisors (see below), whose sum is σ = 105665443560. Its totient is φ = 35221814518.

The previous prime is 70443628993. The next prime is 70443629107. The reversal of 70443629038 is 83092634407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83092634407 = 79393 ⋅1046599.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 17610907258 + ... + 17610907261.

It is an arithmetic number, because the mean of its divisors is an integer number (26416360890).

Almost surely, 2^70443629038 is an apocalyptic number.

70443629038 is a deficient number, since it is larger than the sum of its proper divisors (35221814522).

70443629038 is a wasteful number, since it uses less digits than its factorization.

70443629038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35221814521.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 70443629038 in words is "seventy billion, four hundred forty-three million, six hundred twenty-nine thousand, thirty-eight".