70445035421 has 16 divisors (see below), whose sum is σ = 77883617664. Its totient is φ = 63376372224.

The previous prime is 70445035403. The next prime is 70445035459. The reversal of 70445035421 is 12453054407.

It is a cyclic number.

It is not a de Polignac number, because 70445035421 - 2⁶ = 70445035357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70445035021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536345 + ... + 654641.

It is an arithmetic number, because the mean of its divisors is an integer number (4867726104).

Almost surely, 2^70445035421 is an apocalyptic number.

It is an amenable number.

70445035421 is a deficient number, since it is larger than the sum of its proper divisors (7438582243).

70445035421 is a wasteful number, since it uses less digits than its factorization.

70445035421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119860.

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 70445035421 its reverse (12453054407), we get a palindrome (82898089828).

The spelling of 70445035421 in words is "seventy billion, four hundred forty-five million, thirty-five thousand, four hundred twenty-one".