421623775070 has 8 divisors (see below), whose sum is σ = 758922795144. Its totient is φ = 168649510024.

The previous prime is 421623775049. The next prime is 421623775073. The reversal of 421623775070 is 70577326124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421623775073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21081188744 + ... + 21081188763.

It is an arithmetic number, because the mean of its divisors is an integer number (94865349393).

Almost surely, 2^421623775070 is an apocalyptic number.

421623775070 is a deficient number, since it is larger than the sum of its proper divisors (337299020074).

421623775070 is a wasteful number, since it uses less digits than its factorization.

421623775070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42162377514.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 421623775070 in words is "four hundred twenty-one billion, six hundred twenty-three million, seven hundred seventy-five thousand, seventy".