70133406421 has 4 divisors (see below), whose sum is σ = 75528283852. Its totient is φ = 64738528992.

The previous prime is 70133406403. The next prime is 70133406433. The reversal of 70133406421 is 12460433107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20747233521 + 49386172900 = 144039^2 + 222230^2 .

It is a cyclic number.

It is not a de Polignac number, because 70133406421 - 2⁷ = 70133406293 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 (70133406401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2697438696 + ... + 2697438721.

It is an arithmetic number, because the mean of its divisors is an integer number (18882070963).

Almost surely, 2^70133406421 is an apocalyptic number.

It is an amenable number.

70133406421 is a deficient number, since it is larger than the sum of its proper divisors (5394877431).

70133406421 is a wasteful number, since it uses less digits than its factorization.

70133406421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5394877430.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 70133406421 its reverse (12460433107), we get a palindrome (82593839528).

The spelling of 70133406421 in words is "seventy billion, one hundred thirty-three million, four hundred six thousand, four hundred twenty-one".