421828396395 has 32 divisors (see below), whose sum is σ = 771408050688. Its totient is φ = 192819664128.

The previous prime is 421828396373. The next prime is 421828396433. The reversal of 421828396395 is 593693828124.

It is not a de Polignac number, because 421828396395 - 2⁶ = 421828396331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1137292 + ... + 1461878.

It is an arithmetic number, because the mean of its divisors is an integer number (24106501584).

Almost surely, 2^421828396395 is an apocalyptic number.

421828396395 is a deficient number, since it is larger than the sum of its proper divisors (349579654293).

421828396395 is a wasteful number, since it uses less digits than its factorization.

421828396395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336979.

The product of its digits is 22394880, while the sum is 60.

The spelling of 421828396395 in words is "four hundred twenty-one billion, eight hundred twenty-eight million, three hundred ninety-six thousand, three hundred ninety-five".