70408010421 has 24 divisors (see below), whose sum is σ = 122346419520. Its totient is φ = 38115614016.

The previous prime is 70408010381. The next prime is 70408010471. The reversal of 70408010421 is 12401080407.

It is not a de Polignac number, because 70408010421 - 2¹³ = 70408002229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70408010471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29409000 + ... + 29411393.

It is an arithmetic number, because the mean of its divisors is an integer number (5097767480).

Almost surely, 2^70408010421 is an apocalyptic number.

It is an amenable number.

70408010421 is a deficient number, since it is larger than the sum of its proper divisors (51938409099).

70408010421 is a wasteful number, since it uses less digits than its factorization.

70408010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58820425 (or 58820422 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

Adding to 70408010421 its reverse (12401080407), we get a palindrome (82809090828).

The spelling of 70408010421 in words is "seventy billion, four hundred eight million, ten thousand, four hundred twenty-one".