70621486405 has 16 divisors (see below), whose sum is σ = 85802048640. Its totient is φ = 55796392512.

The previous prime is 70621486387. The next prime is 70621486409. The reversal of 70621486405 is 50468412607.

It is a cyclic number.

It is not a de Polignac number, because 70621486405 - 2⁷ = 70621486277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70621486409) 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, 43729 + ... + 378358.

It is an arithmetic number, because the mean of its divisors is an integer number (5362628040).

Almost surely, 2^70621486405 is an apocalyptic number.

It is an amenable number.

70621486405 is a deficient number, since it is larger than the sum of its proper divisors (15180562235).

70621486405 is a wasteful number, since it uses less digits than its factorization.

70621486405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422508.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 70621486405 in words is "seventy billion, six hundred twenty-one million, four hundred eighty-six thousand, four hundred five".