421770315385 has 16 divisors (see below), whose sum is σ = 507511382400. Its totient is φ = 336492072576.

The previous prime is 421770315353. The next prime is 421770315403. The reversal of 421770315385 is 583513077124.

It is a cyclic number.

It is not a de Polignac number, because 421770315385 - 2⁵ = 421770315353 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7347726 + ... + 7404904.

It is an arithmetic number, because the mean of its divisors is an integer number (31719461400).

Almost surely, 2^421770315385 is an apocalyptic number.

It is an amenable number.

421770315385 is a deficient number, since it is larger than the sum of its proper divisors (85741067015).

421770315385 is a wasteful number, since it uses less digits than its factorization.

421770315385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61200.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 421770315385 in words is "four hundred twenty-one billion, seven hundred seventy million, three hundred fifteen thousand, three hundred eighty-five".