70434043443 has 48 divisors (see below), whose sum is σ = 104856460800. Its totient is φ = 45536489280.

The previous prime is 70434043403. The next prime is 70434043487. The reversal of 70434043443 is 34434043407.

It is not a de Polignac number, because 70434043443 - 2¹³ = 70434035251 is a prime.

It is a super-2 number, since 2×70434043443² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70434043398 and 70434043407.

It is not an unprimeable number, because it can be changed into a prime (70434043403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43450173 + ... + 43451793.

It is an arithmetic number, because the mean of its divisors is an integer number (2184509600).

Almost surely, 2^70434043443 is an apocalyptic number.

70434043443 is a deficient number, since it is larger than the sum of its proper divisors (34422417357).

70434043443 is a wasteful number, since it uses less digits than its factorization.

70434043443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 36.

Subtracting from 70434043443 its sum of digits (36), we obtain a palindrome (70434043407).

The spelling of 70434043443 in words is "seventy billion, four hundred thirty-four million, forty-three thousand, four hundred forty-three".