70442263443 has 24 divisors (see below), whose sum is σ = 97378817328. Its totient is φ = 45293022208.

The previous prime is 70442263403. The next prime is 70442263499. The reversal of 70442263443 is 34436224407.

It is not a de Polignac number, because 70442263443 - 2¹⁰ = 70442262419 is a prime.

It is a super-2 number, since 2×70442263443² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70442263403) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 2389771 + ... + 2419067.

It is an arithmetic number, because the mean of its divisors is an integer number (4057450722).

Almost surely, 2^70442263443 is an apocalyptic number.

70442263443 is a deficient number, since it is larger than the sum of its proper divisors (26936553885).

70442263443 is a wasteful number, since it uses less digits than its factorization.

70442263443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30311 (or 30282 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 39.

The spelling of 70442263443 in words is "seventy billion, four hundred forty-two million, two hundred sixty-three thousand, four hundred forty-three".